Gecko [ v3.cesa.co.za ]

Name	Size	Permission	Date
28th_annual_fidc.html	89.58 KB	-rw-r--r--	2022-08-04 12:28
70_years.html	91.05 KB	-rw-r--r--	2022-08-04 12:28
Image_1.png	765.78 KB	-rw-r--r--	2022-08-04 12:44
Image_1@2x.png	2.03 MB	-rw-r--r--	2022-08-04 12:44
Infrastructure.html	86.77 KB	-rw-r--r--	2022-08-04 13:35
Screenshot_2022-08-04_at_13531.png	125.94 KB	-rw-r--r--	2022-08-04 12:28
Screenshot_2022-08-04_at_13531@2x.png	396.14 KB	-rw-r--r--	2022-08-04 12:28
ce-track_july_ban.png	295.5 KB	-rw-r--r--	2022-08-04 12:28
ce-track_july_ban@2x.png	1.08 MB	-rw-r--r--	2022-08-04 12:28
cesa_challenges_sanral.html	90.33 KB	-rw-r--r--	2022-08-04 12:28
cesa_hosts_graduation.html	89.94 KB	-rw-r--r--	2022-08-04 12:28
cesa_webinar_series.html	93.61 KB	-rw-r--r--	2022-08-04 12:28
facebook-3.png	433 B	-rw-r--r--	2022-08-04 12:28
facebook-3@2x.png	810 B	-rw-r--r--	2022-08-04 12:28
full-stop.png	330 B	-rw-r--r--	2022-08-04 16:52
full-stop@2x.png	734 B	-rw-r--r--	2022-08-04 16:52
infrastrucrure_indaba.html	91.22 KB	-rw-r--r--	2022-08-04 16:52
insta.png	2.5 KB	-rw-r--r--	2022-08-04 12:28
insta@2x.png	7.24 KB	-rw-r--r--	2022-08-04 12:28
kzn_presidential_function.html	90 KB	-rw-r--r--	2022-08-04 12:28
lack_of_technical_knowledge.html	89.83 KB	-rw-r--r--	2022-08-04 12:28
linkedin.png	4.63 KB	-rw-r--r--	2022-08-04 12:28
linkedin@2x.png	13.82 KB	-rw-r--r--	2022-08-04 12:28
n_0220407_CESA-Golf-Challenge_.png	218.1 KB	-rw-r--r--	2022-08-04 12:28
n_0220407_CESA-Golf-Challenge_@2x.png	705.68 KB	-rw-r--r--	2022-08-04 12:28
n_0220707_CESA_Infrastructure-.png	189.93 KB	-rw-r--r--	2022-08-04 12:28
n_0220707_CESA_Infrastructure-@2x.png	639.09 KB	-rw-r--r--	2022-08-04 12:28
presidential_function.html	90.28 KB	-rw-r--r--	2022-08-04 12:28
property_problems.html	91.49 KB	-rw-r--r--	2022-08-04 12:28
slvrsoft.png	239.76 KB	-rw-r--r--	2022-08-04 12:28
slvrsoft@2x.png	808.96 KB	-rw-r--r--	2022-08-04 12:28
slvrsoft_.png	202.8 KB	-rw-r--r--	2022-08-04 12:28
slvrsoft_@2x.png	681.83 KB	-rw-r--r--	2022-08-04 12:28
twitter-2.png	1.16 KB	-rw-r--r--	2022-08-04 12:28
twitter-2@2x.png	2.52 KB	-rw-r--r--	2022-08-04 12:28
what_will_it_take.html	94.87 KB	-rw-r--r--	2022-08-04 12:28
youth_month.html	87.52 KB	-rw-r--r--	2022-08-04 12:28
youtube-3.png	2.01 KB	-rw-r--r--	2022-08-04 12:28
youtube-3@2x.png	4.83 KB	-rw-r--r--	2022-08-04 12:28
yp_imbizo_2022.html	91.15 KB	-rw-r--r--	2022-08-04 12:28

Rename

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>what_will_it_take</title>
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		overflow: visible;
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		text-align: left;
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	this.VIEW_CHANGING = "viewChanging";
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	this.APPLICATION_RESIZE = "applicationResize";
	this.SIZE_STATE_NAME = "data-is-view-scaled";
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this.lastTrigger = null;
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	this.lastState = null;
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	this.LastModifiedDateLabelName = "LastModifiedDateLabel";
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	this.pageRefreshedName = "showPageRefreshedNotification";
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	this.applicationStylesheet = null;
	this.showByMediaQuery = null;
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	this.viewIds = [];
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	this.viewLeft = 0;
	this.viewTop = 0;
	this.horizontalScrollbarsNeeded = false;
	this.verticalScrollbarsNeeded = false;

// view settings
	this.showUpdateNotification = false;
	this.showNavigationControls = false;
	this.scaleViewsToFit = false;
	this.scaleToFitOnDoubleClick = false;
	this.actualSizeOnDoubleClick = false;
	this.scaleViewsOnResize = false;
	this.navigationOnKeypress = false;
	this.showViewName = false;
	this.enableDeepLinking = true;
	this.refreshPageForChanges = false;
	this.showRefreshNotifications = true;

// view controls
	this.scaleViewSlider = null;
	this.lastModifiedLabel = null;
	this.supportsPopState = false; // window.history.pushState!=null;
	this.initialized = false;

// refresh properties
	this.refreshDuration = 250;
	this.lastModifiedDate = null;
	this.refreshRequest = null;
	this.refreshInterval = null;
	this.refreshContent = null;
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	this.refreshCheckContentSize = false;

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self.initialize = function(event) {
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		var views = self.getVisibleViews();
		if (view==null) view = self.getInitialView();
		self.collectViews();
		self.collectOverlays();
		self.collectMediaQueries();

for (let index = 0; index < views.length; index++) {
			var view = views[index];
			self.setViewOptions(view);
			self.setViewVariables(view);
			self.centerView(view);
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// sometimes the body size is 0 so we call this now and again later
		if (self.initialized) {
			window.addEventListener(self.NAVIGATION_CHANGE, self.viewChangeHandler);
			window.addEventListener("keyup", self.keypressHandler);
			window.addEventListener("keypress", self.keypressHandler);
			window.addEventListener("resize", self.resizeHandler);
			window.document.addEventListener("dblclick", self.doubleClickHandler);

if (self.supportsPopState) {
				window.addEventListener('popstate', self.popStateHandler);
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			else {
				window.addEventListener('hashchange', self.hashChangeHandler);
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// we are ready to go
			window.dispatchEvent(new Event(self.APPLICATION_COMPLETE));
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if (self.initialized==false) {
			if (self.enableDeepLinking) {
				self.syncronizeViewToURL();
			} 
	
			if (self.refreshPageForChanges) {
				self.setupRefreshForChanges();
			}
	
			self.initialized = true;
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		if (self.scaleViewsToFit) {
			self.viewScale = self.scaleViewToFit(view);
			
			if (self.viewScale<0) {
				setTimeout(self.scaleViewToFit, 500, view);
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		else if (view) {
			self.viewScale = self.getViewScaleValue(view);
			self.centerView(view);
			self.updateSliderValue(self.viewScale);
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		else {
			// no view found
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		if (self.showUpdateNotification) {
			self.showNotification();
		}

//"addEventListener" in window ? null : window.addEventListener = window.attachEvent;
		//"addEventListener" in document ? null : document.addEventListener = document.attachEvent;
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///////////////////////////////////////
	// AUTO REFRESH 
	///////////////////////////////////////

self.setupRefreshForChanges = function() {
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if (!self.refreshRequest) {
			return false;
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// get document start values immediately
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	}

/**
	 * Attempt to check the last modified date by the headers 
	 * or the last modified property from the byte array (experimental)
	 **/
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		var url = document.location.href;
		var protocol = window.location.protocol;
		var method;
		
		try {

if (self.refreshCheckContentSize) {
				self.refreshRequest.open('HEAD', url, true);
			}
			else if (self.refreshCheckContent) {
				self.refreshContent = document.documentElement.outerHTML;
				self.refreshRequest.open('GET', url, true);
				self.refreshRequest.responseType = "text";
			}
			else {

// get page last modified date for the first call to compare to later
				if (self.lastModifiedDate==null) {

// File system does not send headers in FF so get blob if possible
					if (protocol=="file:") {
						self.refreshRequest.open("GET", url, true);
						self.refreshRequest.responseType = "blob";
					}
					else {
						self.refreshRequest.open("HEAD", url, true);
						self.refreshRequest.responseType = "blob";
					}

self.refreshRequest.onload = self.refreshOnLoadOnceHandler;

// In some browsers (Chrome & Safari) this error occurs at send: 
					// 
					// Chrome - Access to XMLHttpRequest at 'file:///index.html' from origin 'null' 
					// has been blocked by CORS policy: 
					// Cross origin requests are only supported for protocol schemes: 
					// http, data, chrome, chrome-extension, https.
					// 
					// Safari - XMLHttpRequest cannot load file:///Users/user/Public/index.html. Cross origin requests are only supported for HTTP.
					// 
					// Solution is to run a local server, set local permissions or test in another browser
					self.refreshRequest.send(null);

// In MS browsers the following behavior occurs possibly due to an AJAX call to check last modified date: 
					// 
					// DOM7011: The code on this page disabled back and forward caching.

// In Brave (Chrome) error when on the server
					// index.js:221 HEAD https://www.example.com/ net::ERR_INSUFFICIENT_RESOURCES
					// self.refreshRequest.send(null);

}
				else {
					self.refreshRequest = new XMLHttpRequest();
					self.refreshRequest.onreadystatechange = self.refreshHandler;
					self.refreshRequest.ontimeout = function() {
						self.log("Couldn't find page to check for updates");
					}
					
					var method;
					if (protocol=="file:") {
						method = "GET";
					}
					else {
						method = "HEAD";
					}

//refreshRequest.open('HEAD', url, true);
					self.refreshRequest.open(method, url, true);
					self.refreshRequest.responseType = "blob";
					self.refreshRequest.send(null);
				}
			}
		}
		catch (error) {
			self.log("Refresh failed for the following reason:")
			self.log(error);
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self.refreshHandler = function() {
		var contentSize;

try {

if (self.refreshRequest.readyState === XMLHttpRequest.DONE) {
				
				if (self.refreshRequest.status === 2 || 
					self.refreshRequest.status === 200) {
					var pageChanged = false;

self.updateLastModifiedLabel();

if (self.refreshCheckContentSize) {
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						contentSize = self.refreshRequest.getResponseHeader("Content-Length");
						//lastModifiedDate = refreshRequest.getResponseHeader("Last-Modified");
						var headers = self.refreshRequest.getAllResponseHeaders();
						var hasContentHeader = headers.indexOf("Content-Length")!=-1;
						
						if (hasContentHeader) {
							contentSize = self.refreshRequest.getResponseHeader("Content-Length");

// size has not been set yet
							if (self.refreshContentSize==null) {
								self.refreshContentSize = contentSize;
								// exit and let interval call this method again
								return;
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if (contentSize!=self.refreshContentSize) {
								pageChanged = true;
							}
						}
					}
					else if (self.refreshCheckContent) {

if (self.refreshRequest.responseText!=self.refreshContent) {
							pageChanged = true;
						}
					}
					else {
						lastModifiedHeader = self.getLastModified(self.refreshRequest);

if (self.lastModifiedDate!=lastModifiedHeader) {
							self.log("lastModifiedDate:" + self.lastModifiedDate + ",lastModifiedHeader:" +lastModifiedHeader);
							pageChanged = true;
						}

}

if (pageChanged) {
						clearInterval(self.refreshInterval);
						self.refreshUpdatedPage();
						return;
					}

}
				else {
					self.log('There was a problem with the request.');
				}

}
		}
		catch( error ) {
			//console.log('Caught Exception: ' + error);
		}
	}

self.refreshOnLoadOnceHandler = function(event) {

// get the last modified date
		if (self.refreshRequest.response) {
			self.lastModifiedDate = self.getLastModified(self.refreshRequest);

if (self.lastModifiedDate!=null) {

if (self.refreshInterval==null) {
					self.refreshInterval = setInterval(self.requestRefreshUpdate, self.refreshDuration);
				}
			}
			else {
				self.log("Could not get last modified date from the server");
			}
		}
	}

self.refreshUpdatedPage = function() {
		if (self.showRefreshNotifications) {
			var date = new Date().setTime((new Date().getTime()+10000));
			document.cookie = encodeURIComponent(self.pageRefreshedName) + "=true" + "; max-age=6000;" + " path=/";
		}

document.location.reload(true);
	}

self.showNotification = function(duration) {
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		var notification = document.getElementById(notificationID);
		if (duration==null) duration = 4000;

if (notification!=null) {return;}

notification = document.createElement("div");
		notification.id = notificationID;
		notification.textContent = "PAGE UPDATED";
		var styleRule = ""
		styleRule = "position: fixed; padding: 7px 16px 6px 16px; font-family: Arial, sans-serif; font-size: 10px; font-weight: bold; left: 50%;";
		styleRule += "top: 20px; background-color: rgba(0,0,0,.5); border-radius: 12px; color:rgb(235, 235, 235); transition: all 2s linear;";
		styleRule += "transform: translateX(-50%); letter-spacing: .5px; filter: drop-shadow(2px 2px 6px rgba(0, 0, 0, .1)); cursor: pointer";
		notification.setAttribute("style", styleRule);

notification.className = "PageRefreshedClass";
		notification.addEventListener("click", function() {
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		document.body.appendChild(notification);

setTimeout(function() {
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			notification.style.filter = "drop-shadow( 0px 0px 0px rgba(0,0,0, .5))";
			setTimeout(function() {
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				} catch(error) {}
			}, duration)
		}, duration);

document.cookie = encodeURIComponent(self.pageRefreshedName) + "=; max-age=1; path=/";
	}

/**
	 * Get the last modified date from the header 
	 * or file object after request has been received
	 **/
	self.getLastModified = function(request) {
		var date;

// file protocol - FILE object with last modified property
		if (request.response && request.response.lastModified) {
			date = request.response.lastModified;
		}
		
		// http protocol - check headers
		if (date==null) {
			date = request.getResponseHeader("Last-Modified");
		}

return date;
	}

self.updateLastModifiedLabel = function() {
		var labelValue = "";
		
		if (self.lastModifiedLabel==null) {
			self.lastModifiedLabel = document.getElementById("LastModifiedLabel");
		}

if (self.lastModifiedLabel) {
			var seconds = parseInt(((new Date().getTime() - Date.parse(document.lastModified)) / 1000 / 60) * 100 + "");
			var minutes = 0;
			var hours = 0;

if (seconds < 60) {
				seconds = Math.floor(seconds/10)*10;
				labelValue = seconds + " seconds";
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			else {
				minutes = parseInt((seconds/60) + "");

if (minutes>60) {
					hours = parseInt((seconds/60/60) +"");
					labelValue += hours==1 ? " hour" : " hours";
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				else {
					labelValue = minutes+"";
					labelValue += minutes==1 ? " minute" : " minutes";
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			if (seconds<10) {
				labelValue = "Updated now";
			}
			else {
				labelValue = "Updated " + labelValue + " ago";
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if (self.lastModifiedLabel.firstElementChild) {
				self.lastModifiedLabel.firstElementChild.textContent = labelValue;

}
			else if ("textContent" in self.lastModifiedLabel) {
				self.lastModifiedLabel.textContent = labelValue;
			}
		}
	}

self.getShortString = function(string, length) {
		if (length==null) length = 30;
		string = string!=null ? string.substr(0, length).replace(/\n/g, "") : "[String is null]";
		return string;
	}

self.getShortNumber = function(value, places) {
		if (places==null || places<1) places = 4;
		value = Math.round(value * Math.pow(10,places)) / Math.pow(10, places);
		return value;
	}

///////////////////////////////////////
	// NAVIGATION CONTROLS
	///////////////////////////////////////

self.updateViewLabel = function() {
		var viewNavigationLabel = document.getElementById("ViewNavigationLabel");
		var view = self.getVisibleView();
		var viewIndex = view ? self.getViewIndex(view) : -1;
		var viewName = view ? self.getViewPreferenceValue(view, self.prefix + "view-name") : null;
		var viewId = view ? view.id : null;

if (viewNavigationLabel && view) {
			if (viewName && viewName.indexOf('"')!=-1) {
				viewName = viewName.replace(/"/g, "");
			}

if (self.showViewName) {
				viewNavigationLabel.textContent = viewName;
				self.setTooltip(viewNavigationLabel, viewIndex + 1 + " of " + self.numberOfViews);
			}
			else {
				viewNavigationLabel.textContent = viewIndex + 1 + " of " + self.numberOfViews;
				self.setTooltip(viewNavigationLabel, viewName);
			}

}
	}

self.updateURL = function(view) {
		view = view == null ? self.getVisibleView() : view;
		var viewId = view ? view.id : null
		var viewFragment = view ? "#"+ viewId : null;

if (viewId && self.viewIds.length>1 && self.enableDeepLinking) {

if (self.supportsPopState==false) {
				self.setFragment(viewId);
			}
			else {
				if (viewFragment!=window.location.hash) {

if (window.location.hash==null) {
						window.history.replaceState({name:viewId}, null, viewFragment);
					}
					else {
						window.history.pushState({name:viewId}, null, viewFragment);
					}
				}
			}
		}
	}

self.updateURLState = function(view, stateName) {
		stateName = view && (stateName=="" || stateName==null) ? self.getStateNameByViewId(view.id) : stateName;

if (self.supportsPopState==false) {
			self.setFragment(stateName);
		}
		else {
			if (stateName!=window.location.hash) {

if (window.location.hash==null) {
					window.history.replaceState({name:view.viewId}, null, stateName);
				}
				else {
					window.history.pushState({name:view.viewId}, null, stateName);
				}
			}
		}
	}

self.setFragment = function(value) {
		window.location.hash = "#" + value;
	}

self.setTooltip = function(element, value) {
		// setting the tooltip in edge causes a page crash on hover
		if (/Edge/.test(navigator.userAgent)) { return; }

if ("title" in element) {
			element.title = value;
		}
	}

self.getStylesheetRules = function(styleSheet) {
		try {
			if (styleSheet) return styleSheet.cssRules || styleSheet.rules;
	
			return document.styleSheets[0]["cssRules"] || document.styleSheets[0]["rules"];
		}
		catch (error) {
			// ERRORS:
			// SecurityError: The operation is insecure.
			// Errors happen when script loads before stylesheet or loading an external css locally

// InvalidAccessError: A parameter or an operation is not supported by the underlying object
			// Place script after stylesheet

console.log(error);
			if (error.toString().indexOf("The operation is insecure")!=-1) {
				console.log("Load the stylesheet before the script or load the stylesheet inline until it can be loaded on a server")
			}
			return [];
		}
	}

/**
	 * If single page application hide all of the views. 
	 * @param {Number} selectedIndex if provided shows the view at index provided
	 **/
	self.hideViews = function(selectedIndex, animation) {
		var rules = self.getStylesheetRules();
		var queryIndex = 0;
		var numberOfRules = rules!=null ? rules.length : 0;

// loop through rules and hide media queries except selected
		for (var i=0;i<numberOfRules;i++) {
			var rule = rules[i];
			var cssText = rule && rule.cssText;

if (rule.media!=null && cssText.match("--web-view-name:")) {

if (queryIndex==selectedIndex) {
					self.currentQuery.mediaText = rule.conditionText;
					self.currentQuery.index = selectedIndex;
					self.currentQuery.rule = rule;
					self.enableMediaQuery(rule);
				}
				else {
					if (animation) {
						self.fadeOut(rule)
					}
					else {
						self.disableMediaQuery(rule);
					}
				}
				
				queryIndex++;
			}
		}

self.numberOfViews = queryIndex;
		self.updateViewLabel();
		self.updateURL();

self.dispatchViewChange();

var view = self.getVisibleView();
		var viewIndex = view ? self.getViewIndex(view) : -1;

return viewIndex==selectedIndex ? view : null;
	}

/**
	 * If single page application hide all of the views. 
	 * @param {HTMLElement} selectedView if provided shows the view passed in
	 **/
	 self.hideAllViews = function(selectedView, animation) {
		var views = self.views;
		var queryIndex = 0;
		var numberOfViews = views!=null ? views.length : 0;

// loop through rules and hide media queries except selected
		for (var i=0;i<numberOfViews;i++) {
			var viewData = views[i];
			var view = viewData && viewData.view;
			var mediaRule = viewData && viewData.mediaRule;
			
			if (view==selectedView) {
				self.currentQuery.mediaText = mediaRule.conditionText;
				self.currentQuery.index = queryIndex;
				self.currentQuery.rule = mediaRule;
				self.enableMediaQuery(mediaRule);
			}
			else {
				if (animation) {
					self.fadeOut(mediaRule)
				}
				else {
					self.disableMediaQuery(mediaRule);
				}
			}
			
			queryIndex++;
		}

self.numberOfViews = queryIndex;
		self.updateViewLabel();
		self.updateURL();
		self.dispatchViewChange();

var visibleView = self.getVisibleView();

return visibleView==selectedView ? selectedView : null;
	}

/**
	 * Hide view
	 * @param {Object} view element to hide
	 **/
	self.hideView = function(view) {
		var rule = view ? self.mediaQueryDictionary[view.id] : null;

if (rule) {
			self.disableMediaQuery(rule);
		}
	}

/**
	 * Hide overlay
	 * @param {Object} overlay element to hide
	 **/
	self.hideOverlay = function(overlay) {
		var rule = overlay ? self.mediaQueryDictionary[overlay.id] : null;

if (rule) {
			self.disableMediaQuery(rule);

//if (self.showByMediaQuery) {
				overlay.style.display = "none";
			//}
		}
	}

/**
	 * Show the view by media query. Does not hide current views
	 * Sets view options by default
	 * @param {Object} view element to show
	 * @param {Boolean} setViewOptions sets view options if null or true
	 */
	self.showViewByMediaQuery = function(view, setViewOptions) {
		var id = view ? view.id : null;
		var query = id ? self.mediaQueryDictionary[id] : null;
		var isOverlay = view ? self.isOverlay(view) : false;
		setViewOptions = setViewOptions==null ? true : setViewOptions;

if (query) {
			self.enableMediaQuery(query);

if (isOverlay && view && setViewOptions) {
				self.setViewVariables(null, view);
			}
			else {
				if (view && setViewOptions) self.setViewOptions(view);
				if (view && setViewOptions) self.setViewVariables(view);
			}
		}
	}

/**
	 * Show the view. Does not hide current views
	 */
	self.showView = function(view, setViewOptions) {
		var id = view ? view.id : null;
		var query = id ? self.mediaQueryDictionary[id] : null;
		var display = null;
		setViewOptions = setViewOptions==null ? true : setViewOptions;

if (query) {
			self.enableMediaQuery(query);
			if (view==null) view =self.getVisibleView();
			if (view && setViewOptions) self.setViewOptions(view);
		}
		else if (id) {
			display = window.getComputedStyle(view).getPropertyValue("display");
			if (display=="" || display=="none") {
				view.style.display = "block";
			}
		}

if (view) {
			if (self.currentView!=null) {
				self.lastView = self.currentView;
			}

self.currentView = view;
		}
	}

self.showViewById = function(id, setViewOptions) {
		var view = id ? self.getViewById(id) : null;

if (view) {
			self.showView(view);
			return;
		}

self.log("View not found '" + id + "'");
	}

self.getElementView = function(element) {
		var view = element;
		var viewFound = false;

while (viewFound==false || view==null) {
			if (view && self.viewsDictionary[view.id]) {
				return view;
			}
			view = view.parentNode;
		}
	}

/**
	 * Show overlay over view
	 * @param {Event | HTMLElement} event event or html element with styles applied
	 * @param {String} id id of view or view reference
	 * @param {Number} x x location
	 * @param {Number} y y location
	 */
	self.showOverlay = function(event, id, x, y) {
		var overlay = id && typeof id === 'string' ? self.getViewById(id) : id ? id : null;
		var query = overlay ? self.mediaQueryDictionary[overlay.id] : null;
		var centerHorizontally = false;
		var centerVertically = false;
		var anchorLeft = false;
		var anchorTop = false;
		var anchorRight = false;
		var anchorBottom = false;
		var display = null;
		var reparent = true;
		var view = null;
		
		if (overlay==null || overlay==false) {
			self.log("Overlay not found, '"+ id + "'");
			return;
		}

// get enter animation - event target must have css variables declared
		if (event) {
			var button = event.currentTarget || event; // can be event or htmlelement
			var buttonComputedStyles = getComputedStyle(button);
			var actionTargetValue = buttonComputedStyles.getPropertyValue(self.prefix+"action-target").trim();
			var animation = buttonComputedStyles.getPropertyValue(self.prefix+"animation").trim();
			var isAnimated = animation!="";
			var targetType = buttonComputedStyles.getPropertyValue(self.prefix+"action-type").trim();
			var actionTarget = self.application ? null : self.getElement(actionTargetValue);
			var actionTargetStyles = actionTarget ? actionTarget.style : null;

if (actionTargetStyles) {
				actionTargetStyles.setProperty("animation", animation);
			}

if ("stopImmediatePropagation" in event) {
				event.stopImmediatePropagation();
			}
		}
		
		if (self.application==false || targetType=="page") {
			document.location.href = "./" + actionTargetValue;
			return;
		}

// remove any current overlays
		if (self.currentOverlay) {

// act as switch if same button
			if (self.currentOverlay==actionTarget || self.currentOverlay==null) {
				if (self.lastTrigger==button) {
					self.removeOverlay(isAnimated);
					return;
				}
			}
			else {
				self.removeOverlay(isAnimated);
			}
		}

if (reparent) {
			view = self.getElementView(button);
			if (view) {
				view.appendChild(overlay);
			}
		}

if (query) {
			//self.setElementAnimation(overlay, null);
			//overlay.style.animation = animation;
			self.enableMediaQuery(query);
			
			var display = overlay && overlay.style.display;
			
			if (overlay && display=="" || display=="none") {
				overlay.style.display = "block";
				//self.setViewOptions(overlay);
			}

// add animation defined in event target style declaration
			if (animation && self.supportAnimations) {
				self.fadeIn(overlay, false, animation);
			}
		}
		else if (id) {

display = window.getComputedStyle(overlay).getPropertyValue("display");

if (display=="" || display=="none") {
				overlay.style.display = "block";
			}

// add animation defined in event target style declaration
			if (animation && self.supportAnimations) {
				self.fadeIn(overlay, false, animation);
			}
		}

// do not set x or y position if centering
		var horizontal = self.prefix + "center-horizontally";
		var vertical = self.prefix + "center-vertically";
		var style = overlay.style;
		var transform = [];

centerHorizontally = self.getIsStyleDefined(id, horizontal) ? self.getViewPreferenceBoolean(overlay, horizontal) : false;
		centerVertically = self.getIsStyleDefined(id, vertical) ? self.getViewPreferenceBoolean(overlay, vertical) : false;
		anchorLeft = self.getIsStyleDefined(id, "left");
		anchorRight = self.getIsStyleDefined(id, "right");
		anchorTop = self.getIsStyleDefined(id, "top");
		anchorBottom = self.getIsStyleDefined(id, "bottom");

if (self.viewsDictionary[overlay.id] && self.viewsDictionary[overlay.id].styleDeclaration) {
			style = self.viewsDictionary[overlay.id].styleDeclaration.style;
		}
		
		if (centerHorizontally) {
			style.left = "50%";
			style.transformOrigin = "0 0";
			transform.push("translateX(-50%)");
		}
		else if (anchorRight && anchorLeft) {
			style.left = x + "px";
		}
		else if (anchorRight) {
			//style.right = x + "px";
		}
		else {
			style.left = x + "px";
		}
		
		if (centerVertically) {
			style.top = "50%";
			transform.push("translateY(-50%)");
			style.transformOrigin = "0 0";
		}
		else if (anchorTop && anchorBottom) {
			style.top = y + "px";
		}
		else if (anchorBottom) {
			//style.bottom = y + "px";
		}
		else {
			style.top = y + "px";
		}

if (transform.length) {
			style.transform = transform.join(" ");
		}

self.currentOverlay = overlay;
		self.lastTrigger = button;
	}

self.goBack = function() {
		if (self.currentOverlay) {
			self.removeOverlay();
		}
		else if (self.lastView) {
			self.goToView(self.lastView.id);
		}
	}

self.removeOverlay = function(animate) {
		var overlay = self.currentOverlay;
		animate = animate===false ? false : true;

if (overlay) {
			var style = overlay.style;
			
			if (style.animation && self.supportAnimations && animate) {
				self.reverseAnimation(overlay, true);

var duration = self.getAnimationDuration(style.animation, true);
		
				setTimeout(function() {
					self.setElementAnimation(overlay, null);
					self.hideOverlay(overlay);
					self.currentOverlay = null;
				}, duration);
			}
			else {
				self.setElementAnimation(overlay, null);
				self.hideOverlay(overlay);
				self.currentOverlay = null;
			}
		}
	}

/**
	 * Reverse the animation and hide after
	 * @param {Object} target element with animation
	 * @param {Boolean} hide hide after animation ends
	 */
	self.reverseAnimation = function(target, hide) {
		var lastAnimation = null;
		var style = target.style;

style.animationPlayState = "paused";
		lastAnimation = style.animation;
		style.animation = null;
		style.animationPlayState = "paused";

if (hide) {
			//target.addEventListener("animationend", self.animationEndHideHandler);
	
			var duration = self.getAnimationDuration(lastAnimation, true);
			var isOverlay = self.isOverlay(target);
	
			setTimeout(function() {
				self.setElementAnimation(target, null);

if (isOverlay) {
					self.hideOverlay(target);
				}
				else {
					self.hideView(target);
				}
			}, duration);
		}

setTimeout(function() {
			style.animation = lastAnimation;
			style.animationPlayState = "paused";
			style.animationDirection = "reverse";
			style.animationPlayState = "running";
		}, 30);
	}

self.animationEndHandler = function(event) {
		var target = event.currentTarget;
		self.dispatchEvent(new Event(event.type));
	}

self.isOverlay = function(view) {
		var result = view ? self.getViewPreferenceBoolean(view, self.prefix + "is-overlay") : false;

return result;
	}

self.animationEndHideHandler = function(event) {
		var target = event.currentTarget;
		self.setViewVariables(null, target);
		self.hideView(target);
		target.removeEventListener("animationend", self.animationEndHideHandler);
	}

self.animationEndShowHandler = function(event) {
		var target = event.currentTarget;
		target.removeEventListener("animationend", self.animationEndShowHandler);
	}

self.setViewOptions = function(view) {

if (view) {
			self.minimumScale = self.getViewPreferenceValue(view, self.prefix + "minimum-scale");
			self.maximumScale = self.getViewPreferenceValue(view, self.prefix + "maximum-scale");
			self.scaleViewsToFit = self.getViewPreferenceBoolean(view, self.prefix + "scale-to-fit");
			self.scaleToFitType = self.getViewPreferenceValue(view, self.prefix + "scale-to-fit-type");
			self.scaleToFitOnDoubleClick = self.getViewPreferenceBoolean(view, self.prefix + "scale-on-double-click");
			self.actualSizeOnDoubleClick = self.getViewPreferenceBoolean(view, self.prefix + "actual-size-on-double-click");
			self.scaleViewsOnResize = self.getViewPreferenceBoolean(view, self.prefix + "scale-on-resize");
			self.enableScaleUp = self.getViewPreferenceBoolean(view, self.prefix + "enable-scale-up");
			self.centerHorizontally = self.getViewPreferenceBoolean(view, self.prefix + "center-horizontally");
			self.centerVertically = self.getViewPreferenceBoolean(view, self.prefix + "center-vertically");
			self.navigationOnKeypress = self.getViewPreferenceBoolean(view, self.prefix + "navigate-on-keypress");
			self.showViewName = self.getViewPreferenceBoolean(view, self.prefix + "show-view-name");
			self.refreshPageForChanges = self.getViewPreferenceBoolean(view, self.prefix + "refresh-for-changes");
			self.refreshPageForChangesInterval = self.getViewPreferenceValue(view, self.prefix + "refresh-interval");
			self.showNavigationControls = self.getViewPreferenceBoolean(view, self.prefix + "show-navigation-controls");
			self.scaleViewSlider = self.getViewPreferenceBoolean(view, self.prefix + "show-scale-controls");
			self.enableDeepLinking = self.getViewPreferenceBoolean(view, self.prefix + "enable-deep-linking");
			self.singlePageApplication = self.getViewPreferenceBoolean(view, self.prefix + "application");
			self.showByMediaQuery = self.getViewPreferenceBoolean(view, self.prefix + "show-by-media-query");
			self.showUpdateNotification = document.cookie!="" ? document.cookie.indexOf(self.pageRefreshedName)!=-1 : false;
			self.imageComparisonDuration = self.getViewPreferenceValue(view, self.prefix + "image-comparison-duration");
			self.supportAnimations = self.getViewPreferenceBoolean(view, self.prefix + "enable-animations", true);

if (self.scaleViewsToFit) {
				var newScaleValue = self.scaleViewToFit(view);
				
				if (newScaleValue<0) {
					setTimeout(self.scaleViewToFit, 500, view);
				}
			}
			else {
				self.viewScale = self.getViewScaleValue(view);
				self.viewToFitWidthScale = self.getViewFitToViewportWidthScale(view, self.enableScaleUp)
				self.viewToFitHeightScale = self.getViewFitToViewportScale(view, self.enableScaleUp);
				self.updateSliderValue(self.viewScale);
			}

if (self.imageComparisonDuration!=null) {
				// todo
			}

if (self.refreshPageForChangesInterval!=null) {
				self.refreshDuration = Number(self.refreshPageForChangesInterval);
			}
		}
	}

self.previousView = function(event) {
		var rules = self.getStylesheetRules();
		var view = self.getVisibleView()
		var index = view ? self.getViewIndex(view) : -1;
		var prevQueryIndex = index!=-1 ? index-1 : self.currentQuery.index-1;
		var queryIndex = 0;
		var numberOfRules = rules!=null ? rules.length : 0;

if (event) {
			event.stopImmediatePropagation();
		}

if (prevQueryIndex<0) {
			return;
		}

// loop through rules and hide media queries except selected
		for (var i=0;i<numberOfRules;i++) {
			var rule = rules[i];
			
			if (rule.media!=null) {

if (queryIndex==prevQueryIndex) {
					self.currentQuery.mediaText = rule.conditionText;
					self.currentQuery.index = prevQueryIndex;
					self.currentQuery.rule = rule;
					self.enableMediaQuery(rule);
					self.updateViewLabel();
					self.updateURL();
					self.dispatchViewChange();
				}
				else {
					self.disableMediaQuery(rule);
				}

queryIndex++;
			}
		}
	}

self.nextView = function(event) {
		var rules = self.getStylesheetRules();
		var view = self.getVisibleView();
		var index = view ? self.getViewIndex(view) : -1;
		var nextQueryIndex = index!=-1 ? index+1 : self.currentQuery.index+1;
		var queryIndex = 0;
		var numberOfRules = rules!=null ? rules.length : 0;
		var numberOfMediaQueries = self.getNumberOfMediaRules();

if (event) {
			event.stopImmediatePropagation();
		}

if (nextQueryIndex>=numberOfMediaQueries) {
			return;
		}

// loop through rules and hide media queries except selected
		for (var i=0;i<numberOfRules;i++) {
			var rule = rules[i];
			
			if (rule.media!=null) {

if (queryIndex==nextQueryIndex) {
					self.currentQuery.mediaText = rule.conditionText;
					self.currentQuery.index = nextQueryIndex;
					self.currentQuery.rule = rule;
					self.enableMediaQuery(rule);
					self.updateViewLabel();
					self.updateURL();
					self.dispatchViewChange();
				}
				else {
					self.disableMediaQuery(rule);
				}

queryIndex++;
			}
		}
	}

/**
	 * Enables a view via media query
	 */
	self.enableMediaQuery = function(rule) {

try {
			rule.media.mediaText = self.inclusionQuery;
		}
		catch(error) {
			//self.log(error);
			rule.conditionText = self.inclusionQuery;
		}
	}

self.disableMediaQuery = function(rule) {

try {
			rule.media.mediaText = self.exclusionQuery;
		}
		catch(error) {
			rule.conditionText = self.exclusionQuery;
		}
	}

self.dispatchViewChange = function() {
		try {
			var event = new Event(self.NAVIGATION_CHANGE);
			window.dispatchEvent(event);
		}
		catch (error) {
			// In IE 11: Object doesn't support this action
		}
	}

self.getNumberOfMediaRules = function() {
		var rules = self.getStylesheetRules();
		var numberOfRules = rules ? rules.length : 0;
		var numberOfQueries = 0;

for (var i=0;i<numberOfRules;i++) {
			if (rules[i].media!=null) { numberOfQueries++; }
		}
		
		return numberOfQueries;
	}

/////////////////////////////////////////
	// VIEW SCALE 
	/////////////////////////////////////////

self.sliderChangeHandler = function(event) {
		var value = self.getShortNumber(event.currentTarget.value/100);
		var view = self.getVisibleView();
		self.setViewScaleValue(view, false, value, true);
	}

self.updateSliderValue = function(scale) {
		var slider = document.getElementById(self.viewScaleSliderId);
		var tooltip = parseInt(scale * 100 + "") + "%";
		var inputType;
		var inputValue;
		
		if (slider) {
			inputValue = self.getShortNumber(scale * 100);
			if (inputValue!=slider["value"]) {
				slider["value"] = inputValue;
			}
			inputType = slider.getAttributeNS(null, "type");

if (inputType!="range") {
				// input range is not supported
				slider.style.display = "none";
			}

self.setTooltip(slider, tooltip);
		}
	}

self.viewChangeHandler = function(event) {
		var view = self.getVisibleView();
		var matrix = view ? getComputedStyle(view).transform : null;
		
		if (matrix) {
			self.viewScale = self.getViewScaleValue(view);
			
			var scaleNeededToFit = self.getViewFitToViewportScale(view);
			var isViewLargerThanViewport = scaleNeededToFit<1;
			
			// scale large view to fit if scale to fit is enabled
			if (self.scaleViewsToFit) {
				self.scaleViewToFit(view);
			}
			else {
				self.updateSliderValue(self.viewScale);
			}
		}
	}

self.getViewScaleValue = function(view) {
		var matrix = getComputedStyle(view).transform;

if (matrix) {
			var matrixArray = matrix.replace("matrix(", "").split(",");
			var scaleX = parseFloat(matrixArray[0]);
			var scaleY = parseFloat(matrixArray[3]);
			var scale = Math.min(scaleX, scaleY);
		}

return scale;
	}

/**
	 * Scales view to scale. 
	 * @param {Object} view view to scale. views are in views array
	 * @param {Boolean} scaleToFit set to true to scale to fit. set false to use desired scale value
	 * @param {Number} desiredScale scale to define. not used if scale to fit is false
	 * @param {Boolean} isSliderChange indicates if slider is callee
	 */
	self.setViewScaleValue = function(view, scaleToFit, desiredScale, isSliderChange) {
		var enableScaleUp = self.enableScaleUp;
		var scaleToFitType = self.scaleToFitType;
		var minimumScale = self.minimumScale;
		var maximumScale = self.maximumScale;
		var hasMinimumScale = !isNaN(minimumScale) && minimumScale!="";
		var hasMaximumScale = !isNaN(maximumScale) && maximumScale!="";
		var scaleNeededToFit = self.getViewFitToViewportScale(view, enableScaleUp);
		var scaleNeededToFitWidth = self.getViewFitToViewportWidthScale(view, enableScaleUp);
		var scaleNeededToFitHeight = self.getViewFitToViewportHeightScale(view, enableScaleUp);
		var scaleToFitFull = self.getViewFitToViewportScale(view, true);
		var scaleToFitFullWidth = self.getViewFitToViewportWidthScale(view, true);
		var scaleToFitFullHeight = self.getViewFitToViewportHeightScale(view, true);
		var scaleToWidth = scaleToFitType=="width";
		var scaleToHeight = scaleToFitType=="height";
		var shrunkToFit = false;
		var topPosition = null;
		var leftPosition = null;
		var translateY = null;
		var translateX = null;
		var transformValue = "";
		var canCenterVertically = true;
		var canCenterHorizontally = true;
		var style = view.style;

if (view && self.viewsDictionary[view.id] && self.viewsDictionary[view.id].styleDeclaration) {
			style = self.viewsDictionary[view.id].styleDeclaration.style;
		}

if (scaleToFit && isSliderChange!=true) {
			if (scaleToFitType=="fit" || scaleToFitType=="") {
				desiredScale = scaleNeededToFit;
			}
			else if (scaleToFitType=="width") {
				desiredScale = scaleNeededToFitWidth;
			}
			else if (scaleToFitType=="height") {
				desiredScale = scaleNeededToFitHeight;
			}
		}
		else {
			if (isNaN(desiredScale)) {
				desiredScale = 1;
			}
		}

self.updateSliderValue(desiredScale);
		
		// scale to fit width
		if (scaleToWidth && scaleToHeight==false) {
			canCenterVertically = scaleNeededToFitHeight>=scaleNeededToFitWidth;
			canCenterHorizontally = scaleNeededToFitWidth>=1 && enableScaleUp==false;

if (isSliderChange) {
				canCenterHorizontally = desiredScale<scaleToFitFullWidth;
			}
			else if (scaleToFit) {
				desiredScale = scaleNeededToFitWidth;
			}

if (hasMinimumScale) {
				desiredScale = Math.max(desiredScale, Number(minimumScale));
			}

if (hasMaximumScale) {
				desiredScale = Math.min(desiredScale, Number(maximumScale));
			}

desiredScale = self.getShortNumber(desiredScale);

canCenterHorizontally = self.canCenterHorizontally(view, "width", enableScaleUp, desiredScale, minimumScale, maximumScale);
			canCenterVertically = self.canCenterVertically(view, "width", enableScaleUp, desiredScale, minimumScale, maximumScale);

if (desiredScale>1 && (enableScaleUp || isSliderChange)) {
				transformValue = "scale(" + desiredScale + ")";
			}
			else if (desiredScale>=1 && enableScaleUp==false) {
				transformValue = "scale(" + 1 + ")";
			}
			else {
				transformValue = "scale(" + desiredScale + ")";
			}

if (self.centerVertically) {
				if (canCenterVertically) {
					translateY = "-50%";
					topPosition = "50%";
				}
				else {
					translateY = "0";
					topPosition = "0";
				}
				
				if (style.top != topPosition) {
					style.top = topPosition + "";
				}

if (canCenterVertically) {
					transformValue += " translateY(" + translateY+ ")";
				}
			}

if (self.centerHorizontally) {
				if (canCenterHorizontally) {
					translateX = "-50%";
					leftPosition = "50%";
				}
				else {
					translateX = "0";
					leftPosition = "0";
				}

if (style.left != leftPosition) {
					style.left = leftPosition + "";
				}

if (canCenterHorizontally) {
					transformValue += " translateX(" + translateX+ ")";
				}
			}

style.transformOrigin = "0 0";
			style.transform = transformValue;

self.viewScale = desiredScale;
			self.viewToFitWidthScale = scaleNeededToFitWidth;
			self.viewToFitHeightScale = scaleNeededToFitHeight;
			self.viewLeft = leftPosition;
			self.viewTop = topPosition;

return desiredScale;
		}

// scale to fit height
		if (scaleToHeight && scaleToWidth==false) {
			//canCenterVertically = scaleNeededToFitHeight>=scaleNeededToFitWidth;
			//canCenterHorizontally = scaleNeededToFitHeight<=scaleNeededToFitWidth && enableScaleUp==false;
			canCenterVertically = scaleNeededToFitHeight>=scaleNeededToFitWidth;
			canCenterHorizontally = scaleNeededToFitWidth>=1 && enableScaleUp==false;
			
			if (isSliderChange) {
				canCenterHorizontally = desiredScale<scaleToFitFullHeight;
			}
			else if (scaleToFit) {
				desiredScale = scaleNeededToFitHeight;
			}

if (hasMinimumScale) {
				desiredScale = Math.max(desiredScale, Number(minimumScale));
			}

if (hasMaximumScale) {
				desiredScale = Math.min(desiredScale, Number(maximumScale));
				//canCenterVertically = desiredScale>=scaleNeededToFitHeight && enableScaleUp==false;
			}

desiredScale = self.getShortNumber(desiredScale);

canCenterHorizontally = self.canCenterHorizontally(view, "height", enableScaleUp, desiredScale, minimumScale, maximumScale);
			canCenterVertically = self.canCenterVertically(view, "height", enableScaleUp, desiredScale, minimumScale, maximumScale);

if (self.centerHorizontally) {
				if (canCenterHorizontally) {
					translateX = "-50%";
					leftPosition = "50%";
				}
				else {
					translateX = "0";
					leftPosition = "0";
				}

if (style.left != leftPosition) {
					style.left = leftPosition + "";
				}

if (canCenterHorizontally) {
					transformValue += " translateX(" + translateX+ ")";
				}
			}

if (canCenterVertically) {
					transformValue += " translateY(" + translateY+ ")";
				}
			}

style.transformOrigin = "0 0";
			style.transform = transformValue;

return scaleNeededToFitHeight;
		}

if (scaleToFitType=="fit") {
			//canCenterVertically = scaleNeededToFitHeight>=scaleNeededToFitWidth;
			//canCenterHorizontally = scaleNeededToFitWidth>=scaleNeededToFitHeight;
			canCenterVertically = scaleNeededToFitHeight>=scaleNeededToFit;
			canCenterHorizontally = scaleNeededToFitWidth>=scaleNeededToFit;

if (hasMinimumScale) {
				desiredScale = Math.max(desiredScale, Number(minimumScale));
			}

desiredScale = self.getShortNumber(desiredScale);

if (isSliderChange || scaleToFit==false) {
				canCenterVertically = scaleToFitFullHeight>=desiredScale;
				canCenterHorizontally = desiredScale<scaleToFitFullWidth;
			}
			else if (scaleToFit) {
				desiredScale = scaleNeededToFit;
			}

transformValue = "scale(" + desiredScale + ")";

//canCenterHorizontally = self.canCenterHorizontally(view, "fit", false, desiredScale);
			//canCenterVertically = self.canCenterVertically(view, "fit", false, desiredScale);
			
			if (self.centerVertically) {
				if (canCenterVertically) {
					translateY = "-50%";
					topPosition = "50%";
				}
				else {
					translateY = "0";
					topPosition = "0";
				}
				
				if (style.top != topPosition) {
					style.top = topPosition + "";
				}

if (canCenterVertically) {
					transformValue += " translateY(" + translateY+ ")";
				}
			}

if (self.centerHorizontally) {
				if (canCenterHorizontally) {
					translateX = "-50%";
					leftPosition = "50%";
				}
				else {
					translateX = "0";
					leftPosition = "0";
				}

if (style.left != leftPosition) {
					style.left = leftPosition + "";
				}

if (canCenterHorizontally) {
					transformValue += " translateX(" + translateX+ ")";
				}
			}

style.transformOrigin = "0 0";
			style.transform = transformValue;

self.updateSliderValue(desiredScale);
			
			return desiredScale;
		}

if (scaleToFitType=="default" || scaleToFitType=="") {
			desiredScale = 1;

if (hasMinimumScale) {
				desiredScale = Math.max(desiredScale, Number(minimumScale));
			}
			if (hasMaximumScale) {
				desiredScale = Math.min(desiredScale, Number(maximumScale));
			}

canCenterHorizontally = self.canCenterHorizontally(view, "none", false, desiredScale, minimumScale, maximumScale);
			canCenterVertically = self.canCenterVertically(view, "none", false, desiredScale, minimumScale, maximumScale);

if (canCenterVertically) {
					transformValue += " translateY(" + translateY+ ")";
				}
			}

if (self.centerHorizontally) {
				if (canCenterHorizontally) {
					translateX = "-50%";
					leftPosition = "50%";
				}
				else {
					translateX = "0";
					leftPosition = "0";
				}

if (style.left != leftPosition) {
					style.left = leftPosition + "";
				}

if (canCenterHorizontally) {
					transformValue += " translateX(" + translateX+ ")";
				}
				else {
					transformValue += " translateX(" + 0 + ")";
				}
			}

style.transformOrigin = "0 0";
			style.transform = transformValue;

self.updateSliderValue(desiredScale);
			
			return desiredScale;
		}
	}

/**
	 * Returns true if view can be centered horizontally
	 * @param {HTMLElement} view view
	 * @param {String} type type of scaling - width, height, all, none
	 * @param {Boolean} scaleUp if scale up enabled 
	 * @param {Number} scale target scale value 
	 */
	self.canCenterHorizontally = function(view, type, scaleUp, scale, minimumScale, maximumScale) {
		var scaleNeededToFit = self.getViewFitToViewportScale(view, scaleUp);
		var scaleNeededToFitHeight = self.getViewFitToViewportHeightScale(view, scaleUp);
		var scaleNeededToFitWidth = self.getViewFitToViewportWidthScale(view, scaleUp);
		var canCenter = false;
		var minScale;

type = type==null ? "none" : type;
		scale = scale==null ? scale : scaleNeededToFitWidth;
		scaleUp = scaleUp == null ? false : scaleUp;

if (type=="width") {
	
			if (scaleUp && maximumScale==null) {
				canCenter = false;
			}
			else if (scaleNeededToFitWidth>=1) {
				canCenter = true;
			}
		}
		else if (type=="height") {
			minScale = Math.min(1, scaleNeededToFitHeight);
			if (minimumScale!="" && maximumScale!="") {
				minScale = Math.max(minimumScale, Math.min(maximumScale, scaleNeededToFitHeight));
			}
			else {
				if (minimumScale!="") {
					minScale = Math.max(minimumScale, scaleNeededToFitHeight);
				}
				if (maximumScale!="") {
					minScale = Math.max(minimumScale, Math.min(maximumScale, scaleNeededToFitHeight));
				}
			}
	
			if (scaleUp && maximumScale=="") {
				canCenter = false;
			}
			else if (scaleNeededToFitWidth>=minScale) {
				canCenter = true;
			}
		}
		else if (type=="fit") {
			canCenter = scaleNeededToFitWidth>=scaleNeededToFit;
		}
		else {
			if (scaleUp) {
				canCenter = false;
			}
			else if (scaleNeededToFitWidth>=1) {
				canCenter = true;
			}
		}

self.horizontalScrollbarsNeeded = canCenter;
		
		return canCenter;
	}

/**
	 * Returns true if view can be centered horizontally
	 * @param {HTMLElement} view view to scale
	 * @param {String} type type of scaling
	 * @param {Boolean} scaleUp if scale up enabled 
	 * @param {Number} scale target scale value 
	 */
	self.canCenterVertically = function(view, type, scaleUp, scale, minimumScale, maximumScale) {
		var scaleNeededToFit = self.getViewFitToViewportScale(view, scaleUp);
		var scaleNeededToFitWidth = self.getViewFitToViewportWidthScale(view, scaleUp);
		var scaleNeededToFitHeight = self.getViewFitToViewportHeightScale(view, scaleUp);
		var canCenter = false;
		var minScale;

type = type==null ? "none" : type;
		scale = scale==null ? 1 : scale;
		scaleUp = scaleUp == null ? false : scaleUp;
	
		if (type=="width") {
			canCenter = scaleNeededToFitHeight>=scaleNeededToFitWidth;
		}
		else if (type=="height") {
			minScale = Math.max(minimumScale, Math.min(maximumScale, scaleNeededToFit));
			canCenter = scaleNeededToFitHeight>=minScale;
		}
		else if (type=="fit") {
			canCenter = scaleNeededToFitHeight>=scaleNeededToFit;
		}
		else {
			if (scaleUp) {
				canCenter = false;
			}
			else if (scaleNeededToFitHeight>=1) {
				canCenter = true;
			}
		}

self.verticalScrollbarsNeeded = canCenter;
		
		return canCenter;
	}

self.getViewFitToViewportScale = function(view, scaleUp) {
		var enableScaleUp = scaleUp;
		var availableWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
		var availableHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
		var elementWidth = parseFloat(getComputedStyle(view, "style").width);
		var elementHeight = parseFloat(getComputedStyle(view, "style").height);
		var newScale = 1;

// if element is not added to the document computed values are NaN
		if (isNaN(elementWidth) || isNaN(elementHeight)) {
			return newScale;
		}

availableWidth -= self.horizontalPadding;
		availableHeight -= self.verticalPadding;

if (enableScaleUp) {
			newScale = Math.min(availableHeight/elementHeight, availableWidth/elementWidth);
		}
		else if (elementWidth > availableWidth || elementHeight > availableHeight) {
			newScale = Math.min(availableHeight/elementHeight, availableWidth/elementWidth);
		}
		
		return newScale;
	}

self.getViewFitToViewportWidthScale = function(view, scaleUp) {
		// need to get browser viewport width when element
		var isParentWindow = view && view.parentNode && view.parentNode===document.body;
		var enableScaleUp = scaleUp;
		var availableWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
		var elementWidth = parseFloat(getComputedStyle(view, "style").width);
		var newScale = 1;

// if element is not added to the document computed values are NaN
		if (isNaN(elementWidth)) {
			return newScale;
		}

availableWidth -= self.horizontalPadding;

if (enableScaleUp) {
			newScale = availableWidth/elementWidth;
		}
		else if (elementWidth > availableWidth) {
			newScale = availableWidth/elementWidth;
		}
		
		return newScale;
	}

self.getViewFitToViewportHeightScale = function(view, scaleUp) {
		var enableScaleUp = scaleUp;
		var availableHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
		var elementHeight = parseFloat(getComputedStyle(view, "style").height);
		var newScale = 1;

// if element is not added to the document computed values are NaN
		if (isNaN(elementHeight)) {
			return newScale;
		}

availableHeight -= self.verticalPadding;

if (enableScaleUp) {
			newScale = availableHeight/elementHeight;
		}
		else if (elementHeight > availableHeight) {
			newScale = availableHeight/elementHeight;
		}
		
		return newScale;
	}

self.keypressHandler = function(event) {
		var rightKey = 39;
		var leftKey = 37;
		
		// listen for both events 
		if (event.type=="keypress") {
			window.removeEventListener("keyup", self.keypressHandler);
		}
		else {
			window.removeEventListener("keypress", self.keypressHandler);
		}
		
		if (self.showNavigationControls) {
			if (self.navigationOnKeypress) {
				if (event.keyCode==rightKey) {
					self.nextView();
				}
				if (event.keyCode==leftKey) {
					self.previousView();
				}
			}
		}
		else if (self.navigationOnKeypress) {
			if (event.keyCode==rightKey) {
				self.nextView();
			}
			if (event.keyCode==leftKey) {
				self.previousView();
			}
		}
	}

///////////////////////////////////
	// GENERAL FUNCTIONS
	///////////////////////////////////

self.getViewById = function(id) {
		id = id ? id.replace("#", "") : "";
		var view = self.viewIds.indexOf(id)!=-1 && self.getElement(id);
		return view;
	}

self.getViewIds = function() {
		var viewIds = self.getViewPreferenceValue(document.body, self.prefix + "view-ids");
		var viewId = null;

viewIds = viewIds!=null && viewIds!="" ? viewIds.split(",") : [];

if (viewIds.length==0) {
			viewId = self.getViewPreferenceValue(document.body, self.prefix + "view-id");
			viewIds = viewId ? [viewId] : [];
		}

return viewIds;
	}

self.getInitialViewId = function() {
		var viewId = self.getViewPreferenceValue(document.body, self.prefix + "view-id");
		return viewId;
	}

self.getApplicationStylesheet = function() {
		var stylesheetId = self.getViewPreferenceValue(document.body, self.prefix + "stylesheet-id");
		self.applicationStylesheet = document.getElementById("applicationStylesheet");
		return self.applicationStylesheet.sheet;
	}

self.getVisibleView = function() {
		var viewIds = self.getViewIds();
		
		for (var i=0;i<viewIds.length;i++) {
			var viewId = viewIds[i].replace(/[\#?\.?](.*)/, "$" + "1");
			var view = self.getElement(viewId);
			var postName = "_Class";

if (view==null && viewId && viewId.lastIndexOf(postName)!=-1) {
				view = self.getElement(viewId.replace(postName, ""));
			}
			
			if (view) {
				var display = getComputedStyle(view).display;
		
				if (display=="block" || display=="flex") {
					return view;
				}
			}
		}

return null;
	}

self.getVisibleViews = function() {
		var viewIds = self.getViewIds();
		var views = [];
		
		for (var i=0;i<viewIds.length;i++) {
			var viewId = viewIds[i].replace(/[\#?\.?](.*)/, "$" + "1");
			var view = self.getElement(viewId);
			var postName = "_Class";

if (display=="block" || display=="flex") {
					views.push(view);
				}
			}
		}

return views;
	}

self.getStateNameByViewId = function(id) {
		var state = self.viewsDictionary[id];
		return state && state.stateName;
	}

self.getMatchingViews = function(ids) {
		var views = self.addedViews.slice(0);
		var matchingViews = [];

if (self.showByMediaQuery) {
			for (let index = 0; index < views.length; index++) {
				var viewId = views[index];
				var state = self.viewsDictionary[viewId];
				var rule = state && state.rule; 
				var matchResults = window.matchMedia(rule.conditionText);
				var view = self.views[viewId];
				
				if (matchResults.matches) {
					if (ids==true) {
						matchingViews.push(viewId);
					}
					else {
						matchingViews.push(view);
					}
				}
			}
		}

return matchingViews;
	}

self.ruleMatchesQuery = function(rule) {
		var result = window.matchMedia(rule.conditionText);
		return result.matches;
	}

self.getViewsByStateName = function(stateName, matchQuery) {
		var views = self.addedViews.slice(0);
		var matchingViews = [];

if (self.showByMediaQuery) {

// find state name
			for (let index = 0; index < views.length; index++) {
				var viewId = views[index];
				var state = self.viewsDictionary[viewId];
				var rule = state.rule;
				var mediaRule = state.mediaRule;
				var view = self.views[viewId];
				var viewStateName = self.getStyleRuleValue(mediaRule, self.STATE_NAME, state);
				var stateFoundAtt = view.getAttribute(self.STATE_NAME)==state;
				var matchesResults = false;
				
				if (viewStateName==stateName) {
					if (matchQuery) {
						matchesResults = self.ruleMatchesQuery(rule);

if (matchesResults) {
							matchingViews.push(view);
						}
					}
					else {
						matchingViews.push(view);
					}
				}
			}
		}

return matchingViews;
	}

self.getInitialView = function() {
		var viewId = self.getInitialViewId();
		viewId = viewId.replace(/[\#?\.?](.*)/, "$" + "1");
		var view = self.getElement(viewId);
		var postName = "_Class";

if (view==null && viewId && viewId.lastIndexOf(postName)!=-1) {
			view = self.getElement(viewId.replace(postName, ""));
		}

return view;
	}

self.getViewIndex = function(view) {
		var viewIds = self.getViewIds();
		var id = view ? view.id : null;
		var index = id && viewIds ? viewIds.indexOf(id) : -1;

return index;
	}

self.syncronizeViewToURL = function() {
		var fragment = self.getHashFragment();

if (self.showByMediaQuery) {
			var stateName = fragment;
			
			if (stateName==null || stateName=="") {
				var initialView = self.getInitialView();
				stateName = initialView ? self.getStateNameByViewId(initialView.id) : null;
			}
			
			self.showMediaQueryViewsByState(stateName);
			return;
		}

var view = self.getViewById(fragment);
		var index = view ? self.getViewIndex(view) : 0;
		if (index==-1) index = 0;
		var currentView = self.hideViews(index);

if (self.supportsPopState && currentView) {

if (fragment==null) {
				window.history.replaceState({name:currentView.id}, null, "#"+ currentView.id);
			}
			else {
				window.history.pushState({name:currentView.id}, null, "#"+ currentView.id);
			}
		}
		
		self.setViewVariables(view);
		return view;
	}

/**
	 * Set the currentView or currentOverlay properties and set the lastView or lastOverlay properties
	 */
	self.setViewVariables = function(view, overlay, parentView) {
		if (view) {
			if (self.currentView) {
				self.lastView = self.currentView;
			}
			self.currentView = view;
		}

if (overlay) {
			if (self.currentOverlay) {
				self.lastOverlay = self.currentOverlay;
			}
			self.currentOverlay = overlay;
		}
	}

self.getViewPreferenceBoolean = function(view, property, altValue) {
		var computedStyle = window.getComputedStyle(view);
		var value = computedStyle.getPropertyValue(property);
		var type = typeof value;
		
		if (value=="true" || (type=="string" && value.indexOf("true")!=-1)) {
			return true;
		}
		else if (value=="" && arguments.length==3) {
			return altValue;
		}

return false;
	}

self.getViewPreferenceValue = function(view, property, defaultValue) {
		var value = window.getComputedStyle(view).getPropertyValue(property);

if (value===undefined) {
			return defaultValue;
		}
		
		value = value.replace(/^[\s\"]*/, "");
		value = value.replace(/[\s\"]*$/, "");
		value = value.replace(/^[\s"]*(.*?)[\s"]*$/, function (match, capture) { 
			return capture;
		});

return value;
	}

self.getStyleRuleValue = function(cssRule, property) {
		var value = cssRule ? cssRule.style.getPropertyValue(property) : null;

if (value===undefined) {
			return null;
		}
		
		value = value.replace(/^[\s\"]*/, "");
		value = value.replace(/[\s\"]*$/, "");
		value = value.replace(/^[\s"]*(.*?)[\s"]*$/, function (match, capture) { 
			return capture;
		});

return value;
	}

/**
	 * Get the first defined value of property. Returns empty string if not defined
	 * @param {String} id id of element
	 * @param {String} property 
	 */
	self.getCSSPropertyValueForElement = function(id, property) {
		var styleSheets = document.styleSheets;
		var numOfStylesheets = styleSheets.length;
		var values = [];
		var selectorIDText = "#" + id;
		var selectorClassText = "." + id + "_Class";
		var value;

for(var i=0;i<numOfStylesheets;i++) {
			var styleSheet = styleSheets[i];
			var cssRules = self.getStylesheetRules(styleSheet);
			var numOfCSSRules = cssRules.length;
			var cssRule;
			
			for (var j=0;j<numOfCSSRules;j++) {
				cssRule = cssRules[j];
				
				if (cssRule.media) {
					var mediaRules = cssRule.cssRules;
					var numOfMediaRules = mediaRules ? mediaRules.length : 0;
					
					for(var k=0;k<numOfMediaRules;k++) {
						var mediaRule = mediaRules[k];
						
						if (mediaRule.selectorText==selectorIDText || mediaRule.selectorText==selectorClassText) {
							
							if (mediaRule.style && mediaRule.style.getPropertyValue(property)!="") {
								value = mediaRule.style.getPropertyValue(property);
								values.push(value);
							}
						}
					}
				}
				else {

if (cssRule.selectorText==selectorIDText || cssRule.selectorText==selectorClassText) {
						if (cssRule.style && cssRule.style.getPropertyValue(property)!="") {
							value = cssRule.style.getPropertyValue(property);
							values.push(value);
						}
					}
				}
			}
		}

return values.pop();
	}

self.getIsStyleDefined = function(id, property) {
		var value = self.getCSSPropertyValueForElement(id, property);
		return value!==undefined && value!="";
	}

self.collectViews = function() {
		var viewIds = self.getViewIds();

for (let index = 0; index < viewIds.length; index++) {
			const id = viewIds[index];
			const view = self.getElement(id);
			self.views[id] = view;
		}
		
		self.viewIds = viewIds;
	}

self.collectOverlays = function() {
		var viewIds = self.getViewIds();
		var ids = [];

for (let index = 0; index < viewIds.length; index++) {
			const id = viewIds[index];
			const view = self.getViewById(id);
			const isOverlay = view && self.isOverlay(view);
			
			if (isOverlay) {
				ids.push(id);
				self.overlays[id] = view;
			}
		}
		
		self.overlayIds = ids;
	}

self.collectMediaQueries = function() {
		var viewIds = self.getViewIds();
		var styleSheet = self.getApplicationStylesheet();
		var cssRules = self.getStylesheetRules(styleSheet);
		var numOfCSSRules = cssRules ? cssRules.length : 0;
		var cssRule;
		var id = viewIds.length ? viewIds[0]: ""; // single view
		var selectorIDText = "#" + id;
		var selectorClassText = "." + id + "_Class";
		var viewsNotFound = viewIds.slice();
		var viewsFound = [];
		var selectorText = null;
		var property = self.prefix + "view-id";
		var stateName = self.prefix + "state";
		var stateValue = null;
		var view = null;
		
		for (var j=0;j<numOfCSSRules;j++) {
			cssRule = cssRules[j];
			
			if (cssRule.media) {
				var mediaRules = cssRule.cssRules;
				var numOfMediaRules = mediaRules ? mediaRules.length : 0;
				var mediaViewInfoFound = false;
				var mediaId = null;
				
				for(var k=0;k<numOfMediaRules;k++) {
					var mediaRule = mediaRules[k];

selectorText = mediaRule.selectorText;
					
					if (selectorText==".mediaViewInfo" && mediaViewInfoFound==false) {

mediaId = self.getStyleRuleValue(mediaRule, property);
						stateValue = self.getStyleRuleValue(mediaRule, stateName);

selectorIDText = "#" + mediaId;
						selectorClassText = "." + mediaId + "_Class";
						view = self.getElement(mediaId);
						
						// prevent duplicates from load and domcontentloaded events
						if (self.addedViews.indexOf(mediaId)==-1) {
							self.addView(view, mediaId, cssRule, mediaRule, stateValue);
						}

viewsFound.push(mediaId);

if (viewsNotFound.indexOf(mediaId)!=-1) {
							viewsNotFound.splice(viewsNotFound.indexOf(mediaId));
						}

mediaViewInfoFound = true;
					}

if (selectorIDText==selectorText || selectorClassText==selectorText) {
						var styleObject = self.viewsDictionary[mediaId];
						if (styleObject) {
							styleObject.styleDeclaration = mediaRule;
						}
						break;
					}
				}
			}
			else {
				selectorText = cssRule.selectorText;
				
				if (selectorText==null) continue;

selectorText = selectorText.replace(/[#|\s|*]?/g, "");

if (viewIds.indexOf(selectorText)!=-1) {
					view = self.getElement(selectorText);
					self.addView(view, selectorText, cssRule, null, stateValue);

if (viewsNotFound.indexOf(selectorText)!=-1) {
						viewsNotFound.splice(viewsNotFound.indexOf(selectorText));
					}

break;
				}
			}
		}

if (viewsNotFound.length) {
			console.log("Could not find the following views:" + viewsNotFound.join(",") + "");
			console.log("Views found:" + viewsFound.join(",") + "");
		}
	}

/**
	 * Adds a view
	 * @param {HTMLElement} view view element
	 * @param {String} id id of view element
	 * @param {CSSRule} cssRule of view element
	 * @param {CSSMediaRule} mediaRule media rule of view element
	 * @param {String} stateName name of state if applicable
	 **/
	self.addView = function(view, viewId, cssRule, mediaRule, stateName) {
		var viewData = {};
		viewData.name = viewId;
		viewData.rule = cssRule;
		viewData.id = viewId;
		viewData.mediaRule = mediaRule;
		viewData.stateName = stateName;

self.views.push(viewData);
		self.addedViews.push(viewId);
		self.viewsDictionary[viewId] = viewData;
		self.mediaQueryDictionary[viewId] = cssRule;
	}

self.hasView = function(name) {

if (self.addedViews.indexOf(name)!=-1) {
			return true;
		}
		return false;
	}

/**
	 * Go to view by id. Views are added in addView()
	 * @param {String} id id of view in current
	 * @param {Boolean} maintainPreviousState if true then do not hide other views
	 * @param {String} parent id of parent view
	 **/
	self.goToView = function(id, maintainPreviousState, parent) {
		var state = self.viewsDictionary[id];

if (state) {
			if (maintainPreviousState==false || maintainPreviousState==null) {
				self.hideViews();
			}
			self.enableMediaQuery(state.rule);
			self.updateViewLabel();
			self.updateURL();
		}
		else {
			var event = new Event(self.STATE_NOT_FOUND);
			self.stateName = id;
			window.dispatchEvent(event);
		}
	}

/**
	 * Go to the view in the event targets CSS variable
	 **/
	self.goToTargetView = function(event) {
		var button = event.currentTarget;
		var buttonComputedStyles = getComputedStyle(button);
		var actionTargetValue = buttonComputedStyles.getPropertyValue(self.prefix+"action-target").trim();
		var animation = buttonComputedStyles.getPropertyValue(self.prefix+"animation").trim();
		var targetType = buttonComputedStyles.getPropertyValue(self.prefix+"action-type").trim();
		var targetView = self.application ? null : self.getElement(actionTargetValue);
		var targetState = targetView ? self.getStateNameByViewId(targetView.id) : null;
		var actionTargetStyles = targetView ? targetView.style : null;
		var state = self.viewsDictionary[actionTargetValue];
		
		// navigate to page
		if (self.application==false || targetType=="page") {
			document.location.href = "./" + actionTargetValue;
			return;
		}

// if view is found
		if (targetView) {

if (self.currentOverlay) {
				self.removeOverlay(false);
			}

if (self.showByMediaQuery) {
				var stateName = targetState;
				
				if (stateName==null || stateName=="") {
					var initialView = self.getInitialView();
					stateName = initialView ? self.getStateNameByViewId(initialView.id) : null;
				}
				self.showMediaQueryViewsByState(stateName, event);
				return;
			}

// add animation set in event target style declaration
			if (animation && self.supportAnimations) {
				self.crossFade(self.currentView, targetView, false, animation);
			}
			else {
				self.setViewVariables(self.currentView);
				self.hideViews();
				self.enableMediaQuery(state.rule);
				self.scaleViewIfNeeded(targetView);
				self.centerView(targetView);
				self.updateViewLabel();
				self.updateURL();
			}
		}
		else {
			var stateEvent = new Event(self.STATE_NOT_FOUND);
			self.stateName = name;
			window.dispatchEvent(stateEvent);
		}

event.stopImmediatePropagation();
	}

/**
	 * Cross fade between views
	 **/
	self.crossFade = function(from, to, update, animation) {
		var targetIndex = to.parentNode
		var fromIndex = Array.prototype.slice.call(from.parentElement.children).indexOf(from);
		var toIndex = Array.prototype.slice.call(to.parentElement.children).indexOf(to);

if (from.parentNode==to.parentNode) {
			var reverse = self.getReverseAnimation(animation);
			var duration = self.getAnimationDuration(animation, true);

// if target view is above (higher index)
			// then fade in target view 
			// and after fade in then hide previous view instantly
			if (fromIndex<toIndex) {
				self.setElementAnimation(from, null);
				self.setElementAnimation(to, null);
				self.showViewByMediaQuery(to);
				self.fadeIn(to, update, animation);

setTimeout(function() {
					self.setElementAnimation(to, null);
					self.setElementAnimation(from, null);
					self.hideView(from);
					self.updateURL();
					self.setViewVariables(to);
					self.updateViewLabel();
				}, duration)
			}
			// if target view is on bottom
			// then show target view instantly 
			// and fade out current view
			else if (fromIndex>toIndex) {
				self.setElementAnimation(to, null);
				self.setElementAnimation(from, null);
				self.showViewByMediaQuery(to);
				self.fadeOut(from, update, reverse);

self.fadeIn = function(element, update, animation) {
		self.showViewByMediaQuery(element);

if (update) {
			self.updateURL(element);

element.addEventListener("animationend", function(event) {
				element.style.animation = null;
				self.setViewVariables(element);
				self.updateViewLabel();
				element.removeEventListener("animationend", arguments.callee);
			});
		}

self.setElementAnimation(element, null);
		
		element.style.animation = animation;
	}

self.fadeOutCurrentView = function(animation, update) {
		if (self.currentView) {
			self.fadeOut(self.currentView, update, animation);
		}
		if (self.currentOverlay) {
			self.fadeOut(self.currentOverlay, update, animation);
		}
	}

self.fadeOut = function(element, update, animation) {
		if (update) {
			element.addEventListener("animationend", function(event) {
				element.style.animation = null;
				self.hideView(element);
				element.removeEventListener("animationend", arguments.callee);
			});
		}

element.style.animationPlayState = "paused";
		element.style.animation = animation;
		element.style.animationPlayState = "running";
	}

self.getReverseAnimation = function(animation) {
		if (animation && animation.indexOf("reverse")==-1) {
			animation += " reverse";
		}

return animation;
	}

/**
	 * Get duration in animation string
	 * @param {String} animation animation value
	 * @param {Boolean} inMilliseconds length in milliseconds if true
	 */
	self.getAnimationDuration = function(animation, inMilliseconds) {
		var duration = 0;
		var expression = /.+(\d\.\d)s.+/;

if (animation && animation.match(expression)) {
			duration = parseFloat(animation.replace(expression, "$" + "1"));
			if (duration && inMilliseconds) duration = duration * 1000;
		}

return duration;
	}

self.setElementAnimation = function(element, animation, priority) {
		element.style.setProperty("animation", animation, "important");
	}

self.getElement = function(id) {
		id = id ? id.trim() : id;
		var element = id ? document.getElementById(id) : null;

return element;
	}

self.getElementById = function(id) {
		id = id ? id.trim() : id;
		var element = id ? document.getElementById(id) : null;

return element;
	}

self.getElementByClass = function(className) {
		className = className ? className.trim() : className;
		var elements = document.getElementsByClassName(className);

return elements.length ? elements[0] : null;
	}

self.resizeHandler = function(event) {
		
		if (self.showByMediaQuery) {
			if (self.enableDeepLinking) {
				var stateName = self.getHashFragment();

for (let index = 0; index < visibleViews.length; index++) {	
				var view = visibleViews[index];
				self.scaleViewIfNeeded(view);
			}
		}

window.dispatchEvent(new Event(self.APPLICATION_RESIZE));
	}

self.scaleViewIfNeeded = function(view) {

if (self.scaleViewsOnResize) {
			if (view==null) {
				view = self.getVisibleView();
			}

var isViewScaled = view.getAttributeNS(null, self.SIZE_STATE_NAME)=="false" ? false : true;

if (isViewScaled) {
				self.scaleViewToFit(view, true);
			}
			else {
				self.scaleViewToActualSize(view);
			}
		}
		else if (view) {
			self.centerView(view);
		}
	}

self.centerView = function(view) {

if (self.scaleViewsToFit) {
			self.scaleViewToFit(view, true);
		}
		else {
			self.scaleViewToActualSize(view);  // for centering support for now
		}
	}

self.preventDoubleClick = function(event) {
		event.stopImmediatePropagation();
	}

self.getHashFragment = function() {
		var value = window.location.hash ? window.location.hash.replace("#", "") : "";
		return value;
	}

self.showBlockElement = function(view) {
		view.style.display = "block";
	}

self.hideElement = function(view) {
		view.style.display = "none";
	}

self.showStateFunction = null;

self.showMediaQueryViewsByState = function(state, event) {
		// browser will hide and show by media query (small, medium, large)
		// but if multiple views exists at same size user may want specific view
		// if showStateFunction is defined that is called with state fragment and user can show or hide each media matching view by returning true or false
		// if showStateFunction is not defined and state is defined and view has a defined state that matches then show that and hide other matching views
		// if no state is defined show view 
		// an viewChanging event is dispatched before views are shown or hidden that can be prevented

// get all matched queries
		// if state name is specified then show that view and hide other views
		// if no state name is defined then show
		var matchedViews = self.getMatchingViews();
		var matchMediaQuery = true;
		var foundViews = self.getViewsByStateName(state, matchMediaQuery);
		var showViews = [];
		var hideViews = [];

// loop views that match media query 
		for (let index = 0; index < matchedViews.length; index++) {
			var view = matchedViews[index];
			
			// let user determine visible view
			if (self.showStateFunction!=null) {
				if (self.showStateFunction(view, state)) {
					showViews.push(view);
				}
				else {
					hideViews.push(view);
				}
			}
			// state was defined so check if view matches state
			else if (foundViews.length) {

if (foundViews.indexOf(view)!=-1) {
					showViews.push(view);
				}
				else {
					hideViews.push(view);
				}
			}
			// if no state names are defined show view (define unused state name to exclude)
			else if (state==null || state=="") {
				showViews.push(view);
			}
		}

if (showViews.length) {
			var viewChangingEvent = new Event(self.VIEW_CHANGING);
			viewChangingEvent.showViews = showViews;
			viewChangingEvent.hideViews = hideViews;
			window.dispatchEvent(viewChangingEvent);

if (viewChangingEvent.defaultPrevented==false) {
				for (var index = 0; index < hideViews.length; index++) {
					var view = hideViews[index];

if (self.isOverlay(view)) {
						self.removeOverlay(view);
					}
					else {
						self.hideElement(view);
					}
				}

for (var index = 0; index < showViews.length; index++) {
					var view = showViews[index];

if (index==showViews.length-1) {
						self.clearDisplay(view);
						self.setViewOptions(view);
						self.setViewVariables(view);
						self.centerView(view);
						self.updateURLState(view, state);
					}
				}
			}

var viewChangeEvent = new Event(self.VIEW_CHANGE);
			viewChangeEvent.showViews = showViews;
			viewChangeEvent.hideViews = hideViews;
			window.dispatchEvent(viewChangeEvent);
		}
		
	}

self.clearDisplay = function(view) {
		view.style.setProperty("display", null);
	}

self.hashChangeHandler = function(event) {
		var fragment = self.getHashFragment();
		var view = self.getViewById(fragment);

if (self.showByMediaQuery) {
			var stateName = fragment;

if (stateName==null || stateName=="") {
				var initialView = self.getInitialView();
				stateName = initialView ? self.getStateNameByViewId(initialView.id) : null;
			}
			self.showMediaQueryViewsByState(stateName);
		}
		else {
			if (view) {
				self.hideViews();
				self.showView(view);
				self.setViewVariables(view);
				self.updateViewLabel();
				
				window.dispatchEvent(new Event(self.VIEW_CHANGE));
			}
			else {
				window.dispatchEvent(new Event(self.VIEW_NOT_FOUND));
			}
		}
	}

self.popStateHandler = function(event) {
		var state = event.state;
		var fragment = state ? state.name : window.location.hash;
		var view = self.getViewById(fragment);

if (view) {
			self.hideViews();
			self.showView(view);
			self.updateViewLabel();
		}
		else {
			window.dispatchEvent(new Event(self.VIEW_NOT_FOUND));
		}
	}

self.doubleClickHandler = function(event) {
		var view = self.getVisibleView();
		var scaleValue = view ? self.getViewScaleValue(view) : 1;
		var scaleNeededToFit = view ? self.getViewFitToViewportScale(view) : 1;
		var scaleNeededToFitWidth = view ? self.getViewFitToViewportWidthScale(view) : 1;
		var scaleNeededToFitHeight = view ? self.getViewFitToViewportHeightScale(view) : 1;
		var scaleToFitType = self.scaleToFitType;

// Three scenarios
		// - scale to fit on double click
		// - set scale to actual size on double click
		// - switch between scale to fit and actual page size

if (scaleToFitType=="width") {
			scaleNeededToFit = scaleNeededToFitWidth;
		}
		else if (scaleToFitType=="height") {
			scaleNeededToFit = scaleNeededToFitHeight;
		}

// if scale and actual size enabled then switch between
		if (self.scaleToFitOnDoubleClick && self.actualSizeOnDoubleClick) {
			var isViewScaled = view.getAttributeNS(null, self.SIZE_STATE_NAME);
			var isScaled = false;
			
			// if scale is not 1 then view needs scaling
			if (scaleNeededToFit!=1) {

// if current scale is at 1 it is at actual size
				// scale it to fit
				if (scaleValue==1) {
					self.scaleViewToFit(view);
					isScaled = true;
				}
				else {
					// scale is not at 1 so switch to actual size
					self.scaleViewToActualSize(view);
					isScaled = false;
				}
			}
			else {
				// view is smaller than viewport 
				// so scale to fit() is scale actual size
				// actual size and scaled size are the same
				// but call scale to fit to retain centering
				self.scaleViewToFit(view);
				isScaled = false;
			}
			
			view.setAttributeNS(null, self.SIZE_STATE_NAME, isScaled+"");
			isViewScaled = view.getAttributeNS(null, self.SIZE_STATE_NAME);
		}
		else if (self.scaleToFitOnDoubleClick) {
			self.scaleViewToFit(view);
		}
		else if (self.actualSizeOnDoubleClick) {
			self.scaleViewToActualSize(view);
		}

}

self.scaleViewToFit = function(view) {
		return self.setViewScaleValue(view, true);
	}

self.scaleViewToActualSize = function(view) {
		self.setViewScaleValue(view, false, 1);
	}

self.onloadHandler = function(event) {
		self.initialize();
	}

self.setElementHTML = function(id, value) {
		var element = self.getElement(id);
		element.innerHTML = value;
	}

self.getStackArray = function(error) {
		var value = "";
		
		if (error==null) {
		  try {
			 error = new Error("Stack");
		  }
		  catch (e) {
			 
		  }
		}
		
		if ("stack" in error) {
		  value = error.stack;
		  var methods = value.split(/\n/g);
	 
		  var newArray = methods ? methods.map(function (value, index, array) {
			 value = value.replace(/\@.*/,"");
			 return value;
		  }) : null;
	 
		  if (newArray && newArray[0].includes("getStackTrace")) {
			 newArray.shift();
		  }
		  if (newArray && newArray[0].includes("getStackArray")) {
			 newArray.shift();
		  }
		  if (newArray && newArray[0]=="") {
			 newArray.shift();
		  }
	 
			return newArray;
		}
		
		return null;
	}

self.log = function(value) {
		console.log.apply(this, [value]);
	}
	
	// initialize on load
	// sometimes the body size is 0 so we call this now and again later
	window.addEventListener("load", self.onloadHandler);
	window.document.addEventListener("DOMContentLoaded", self.onloadHandler);
}

window.application = new Application();
</script>
</head>
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		<span>What will it take to get South Africa’s Rebuild Programme back on track?</span>
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		<span>Disclaimer<br/></span><br/><span style="font-style:normal;font-weight:normal;font-size:12px;">This publication is an attempt to share information of interest with members and readers. Articles on products and ideas featured in this publication from other sources do not of necessity carry the endorsement of CESA unless explicitly so indicated.<br/><br/>CE-track Contributions:<br/>Email or phone Bonolo Nkgodi at bonolo@cesa.co.za or 011 463 2022 to contribute news, comment etc.<br/>Copyright © CESA 2022</span>
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		<span>The constant rhetoric that we hear at every industry and investment conference, both within our country and across the region, is that ‘infrastructure development is the key to job creation and economic growth’. Why then is progress in this arena stymied at every turn? Not a day goes by without us being greeted with news that our country’s power generation capacity has been sabotaged or that infrastructure tenders have been cancelled or withdrawn, or that our ever-elusive revised procurement regulations have been delayed yet again!<br/><br/>President Cyril Ramaphosa has been talking for what seems like an eternity about our country’s Rebuild Programme and the benefits that this will bring – yet we see no evidence of this. In his state of the nation address he raised the importance of maintenance of our infrastructure – we applauded its very mention at such a high level and believed that as an industry finally our voices were being heard.  <br/><br/>So, we ask ourselves, what will it take to get our rebuild programme back on track, spearheading our country’s economic growth and the creation of many jobs for our long-suffering people? In looking for answers to this question we look to countries who are thriving to see what they have done to achieve the success and the results we find make for interesting reading.<br/><br/>At a recent conference that I attended mention was made of 2 economically successful countries, the one being Singapore and the other South Korea both of whom value the contribution of engineers within their governmental decision-making processes. South Korea is acknowledged to have one of the world’s most advanced economies after Japan and the United States. South Korea’s education system and the establishment of a motivated and educated populace is largely responsible for spurring the country’s high technology boom and economic development. South Korea began to adapt an export-oriented economic strategy to fuel its economy. <br/><br/>Singapore is rated as the smartest country in the world, followed by China, Hong Kong and once again South Korea.	The Chinese Government is dominated by scientists and engineers, they admire such professionals so much to the point that they qualify these people to be worthy and capable in handling political affairs. The Chinese people believe that scientists and engineers, who eventually become technocrats, have a highly disciplined mind fit for public office. This leadership has brought a laser focus on innovation.<br/><br/>Let us look at some research.  In a McKinsey report it states that Singapore’s economic transformation from third world to first world since gaining its independence in 1965 is a well-known story of how stable governance and entrepreneurial thinking has fuelled economic prosperity for this small nation. What is lesser-known is the extent to which the Singapore government has embraced design in its strategies to improve citizens’ lives. The article goes behind the scenes to highlight key activities and principles that governments can consider when leveraging design in transformation efforts. It describes examples of how Singapore used design to transform citizen-facing services. <br/><br/>In a report, by the Centre for Economics and Business Research (Cebr) commissioned by the Royal Academy of Engineering, they considered the impact of engineering on economic development on a global scale. This report brings together all available data from 99 countries to paint a picture of global engineering: its workforce, output, prospective recruits, the quality of research and where its impacts are most needed. It uses a comprehensive selection of indicators to calculate a new ‘Engineering Index’: a measure of the engineering strength of different countries. The results of the report show that engineering plays a key role in supporting the growth and development of a country’s economy as well as in improving the quality of life for citizens. As such, there is an important link between a country’s engineering capacity and its economic development. However, the extent to which engineering can aid development is also dependent upon governments committing finance and resources required for infrastructure projects, as well as developing a favourable business environment with good regulation and without corruption.<br/><br/>The research shows that countries ‘punching above their weight’ – that is, with higher recorded engineering strength than their recent living standards might suggest – include South Vietnam. The highest-ranking countries by Engineering Index score are located either in the regions of Europe, or Asia and Oceania. The report does note that there is great potential for sub-Saharan countries in Africa to catch up with countries in other regions in their engineering strength, as shown by the Engineering Index where data is available This could be achieved through boosting the number of engineering graduates, raising the numbers of women in engineering jobs, and improving the quality of infrastructure.<br/><br/>In writing about Engineers in Government and Public Policy, Patricia D. Galloway notes that the roles that engineers have taken on go far beyond the realm of knowledge and technology. Engineering impacts the health and vitality of a nation as no other profession does.  The business competitiveness, health and standard of living of a nation are intimately connected to engineering. As technology becomes increasingly engrained into every facet of our lives, the convergence between engineering and public policy will also increase. This will require that engineers develop a stronger sense of how technology and public policy interact. The public is playing a much more active role in private and public projects alike, through more open planning processes, environmental regulations and elevated expectations that place greater responsibility on those executing   projects. She goes on to state that the engineer of the twenty-first century will need to assume leadership positions from which they can serve as a positive influence in the making of public policy and in the administration of government and industry.<br/><br/>Moving closer to home, and in answer to the question of what will it take to get our rebuild programme back on track, global best practice has always been that an engineering design consultant should be appointed to assist, advise and provide analysis on risk and create independent reports for client bodies within government to make informed decisions. These independent reports produced by engineering industry experts can be used to guide bid advisory committees in their recommendations to management committees within that particular organ of state. The role that a consulting engineer plays in this process is that of advisor and not decision maker. From a governance perspective these consulting engineers are often mistaken as the decision-makers when in fact their role is purely that of technical expert acting in the best interests of the government entity in ensuring that the best decisions are made based on sound technical analysis.<br/><br/>In conclusion, having considered what has led to the economic success of countries such as South Korea and Singapore, having reviewed research from across the globe related to economic transformation, the impact of engineering on economic development and the roles of engineers in government, it must be stated that without a meaningful contribution by engineers in government our country’s rebuild programme is doomed to failure. It is critical that engineers be given a seat at the table and not just be on the menu!  <br/><br/>Chris Campbell<br/>Published in Business Day       <br/><br/>Resources:<br/>Engineering and economic growth: a global view<br/>A report by Cebr for the Royal Academy of Engineering<br/>September 2016<br/><br/>Engineers in Government and Public Policy, <br/>Patricia D. Galloway<br/><br/>How Singapore is harnessing design to transform government services<br/>October 9, 2019 | Article<br/>Mc Kinsey and Company</span><br/>
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