Common.js

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addOnloadHook(createToggleLinks);

function createToggleLinks() {

	var stateArray = new Array();
	var allObjects = document.getElementsByTagName('span');
	var rCollapsingObject = new RegExp("^co;(.+?);(.+?);(.+?);(.+?)(;(.+?))?$");
	
	for ( var i = 0; i < allObjects.length; i++ ) {
	
		if ( rCollapsingObject.test(allObjects[i].className) ) {
		
			var collapsingInformation = rCollapsingObject.exec(allObjects[i].className);
			
			var collapseText = collapsingInformation[1];
			var expandText = collapsingInformation[2];
			var initialState = collapsingInformation[3];
			var targetClass = collapsingInformation[4];
			var linkColor = collapsingInformation[6];
			
			var toggleLink = document.createElement("a");
			
			if ( initialState == "0" ) {
				
				toggleLink.appendChild(document.createTextNode(expandText));
				stateArray[targetClass] = "none";
			}
			
			else {
				
				toggleLink.appendChild(document.createTextNode(collapseText));
				stateArray[targetClass] = "inline";
			}
			
			toggleLink.setAttribute("href", "javascript:toggleCollapse('" + targetClass + "','" + collapseText + "','" + expandText + "')");
			
			if ( linkColor != undefined && linkColor != "undefined" && linkColor != "" )
				toggleLink.style.color = linkColor;
			
			allObjects[i].innerHTML = "";
			allObjects[i].appendChild(toggleLink);
		}
		
		else if ( allObjects[i].className == "morphMaster" ) {
			
			var spanID = allObjects[i].getAttribute("id");
			var targetID = spanID.substr(0, spanID.length - 6);
			var counter = 1;
			
			// Create forward and backward paging if the paging elements exist
			if ( returnObjById(targetID + "LinkNext") && returnObjById(targetID + "LinkPrev") && returnObjById(targetID + "Content1") ) {
			
				// Create the forward link
				var nextLink = document.createElement("a");	
				nextLink.appendChild(document.createTextNode(returnObjById(targetID + "LinkNext").innerHTML));
				nextLink.setAttribute("href", "javascript:morphForward('" + targetID + "')");
				
				returnObjById(targetID + "LinkNext").innerHTML = "";
				returnObjById(targetID + "LinkNext").appendChild(nextLink, 0);
				
				// Create the backward link
				var prevLink = document.createElement("a");	
				prevLink.appendChild(document.createTextNode(returnObjById(targetID + "LinkPrev").innerHTML));
				prevLink.setAttribute("href", "javascript:morphBackward('" + targetID + "')");
				
				returnObjById(targetID + "LinkPrev").innerHTML = "";
				returnObjById(targetID + "LinkPrev").appendChild(prevLink, 0);
				
				// Initialize content panes
				while ( returnObjById(targetID + "Content" + counter) ) {
					
						
					counter++;
				}	
			}

			counter = 1;
			
			// Whether or not there is paging, generate normal links				
			while ( returnObjById(targetID + "Link" + counter) && returnObjById(targetID + "Content" + counter) ) {
				
				var morphLink = document.createElement("a");
				morphLink.appendChild(document.createTextNode(returnObjById(targetID + "Link" + counter).innerHTML));
				morphLink.setAttribute("href", "javascript:performMorph('" + targetID + "','" + counter + "')");
				
				returnObjById(targetID + "Link" + counter).innerHTML = "";
				returnObjById(targetID + "Link" + counter).appendChild(morphLink, 0);
				
				// Initialize content panes
					
				counter++;
			}
			
			allObjects[i].innerHTML = "1";
			allObjects[i].style.display = "none";
		}
	}
	
	// Set state of appropriate objects
	allObjects = document.getElementsByTagName('*');
		
	for ( var i = 0; i < allObjects.length; i++ ) {
		
		if ( stateArray[allObjects[i].className] )
			allObjects[i].style.display = stateArray[allObjects[i].className];
	}
}

/* Function that toggles collapsing objects.
 * Added 7/13/2008 by WhiteMystery ([email protected]) */

function toggleCollapse(targetClass, collapseText, expandText) {

	var allObjects = document.getElementsByTagName('*');
	var rCollapsingObject = new RegExp("^co;(.+?);(.+?);(.+?);" + targetClass + "(;(.+?))?$");
		
	var linkType;
	
	for ( var i = 0; i < allObjects.length; i++ ) {
	
		if ( allObjects[i].className == targetClass ) {
		
			if ( allObjects[i].style.display == "none" ) {
			
				allObjects[i].style.display = "inline";
				linkType = "Collapse";	
			}
			
			else {
			
				allObjects[i].style.display = "none";
				linkType = "Expand";	
			}
		}	
	}
	
	allObjects = document.getElementsByTagName('span');
	
	for ( var i = 0; i < allObjects.length; i++ ) {
	
		if ( rCollapsingObject.test(allObjects[i].className) ) {
		
			var collapsingInformation = rCollapsingObject.exec(allObjects[i].className);
			
			var collapseText = collapsingInformation[1];
			var expandText = collapsingInformation[2];
			var linkColor = collapsingInformation[5];
			
			var toggleLink = document.createElement("a");
			
			if ( linkType == "Expand" )
				
				toggleLink.appendChild(document.createTextNode(expandText));
			
			else if ( linkType == "Collapse" )
				
				toggleLink.appendChild(document.createTextNode(collapseText));
			
			toggleLink.setAttribute("href", "javascript:toggleCollapse('" + targetClass + "','" + collapseText + "','" + expandText + "')");
			
			if ( linkColor != undefined && linkColor != "undefined" && linkColor != "" )
				toggleLink.style.color = linkColor;
			
			allObjects[i].innerHTML = "";
			allObjects[i].appendChild(toggleLink);
		}
	}
}

/* Functions that perform the morph operations.
 * Added 8/13/2008 by WhiteMystery ([email protected]) */

function performMorph(targetID, targetNumber) {

	var counter = 1;
	
	while ( returnObjById(targetID + "Content" + counter) ) {
	
		if ( counter == targetNumber )
			returnObjById(targetID + "Content" + counter).style.display = "block";
		else
			returnObjById(targetID + "Content" + counter).style.display = "none";
			
		counter++;
	}
	
	returnObjById(targetID + "Master").innerHTML = targetNumber;
}

function morphForward(targetID) {

	var nextPane = parseInt(returnObjById(targetID + "Master").innerHTML) + 1;
	
	if ( returnObjById(targetID + "Content" + nextPane) )
		performMorph(targetID, nextPane);
		
	else
		performMorph(targetID, "1");
}

function morphBackward(targetID) {

	var prevPane = parseInt(returnObjById(targetID + "Master").innerHTML) - 1;
	
	if ( prevPane > 0 )
		performMorph(targetID, prevPane);
		
	else {
	
		var maxIndex = 1;
		
		while ( returnObjById(targetID + "Content" + maxIndex) )
			maxIndex++;
		
		performMorph(targetID, maxIndex - 1);
	}
}

/* Function that returns an object by ID for various browsers
 * Taken from http://www.netlobo.com/javascript_get_element_id.html */

function returnObjById( id ) {
	 
    if (document.getElementById) 
        var returnVar = document.getElementById(id);
        
    else if (document.all) 
        var returnVar = document.all[id];
        
    else if (document.layers) 
        var returnVar = document.layers[id];
        
    return returnVar; 
}

/*</pre>*/