//Splitting the screen
function SplitScreen (nonScrollingRegionId, scrollingRegionId) {
	this.nonScrollingRegion = document.getElementById(nonScrollingRegionId);
	this.scrollingRegion = document.getElementById(scrollingRegionId);

	document.body.style.margin = "0px";
	document.body.style.overflow = "hidden";
	this.scrollingRegion.style.overflow = "auto";

	this.resize(null);

	registerEventHandler(window, 'resize', getInstanceDelegate(this, "resize"));

}

SplitScreen.prototype.resize = function(e) {
	var scrollRegionHeight = document.body.clientHeight - this.nonScrollingRegion.offsetHeight;
	if (scrollRegionHeight < 0) {
		scrollRegionHeight = 0;
	}
	this.scrollingRegion.style.height = scrollRegionHeight;
	this.scrollingRegion.style.width = document.body.clientWidth;
}


// Event handler attachment
function registerEventHandler (element, event, handler) {
	if (element.attachEvent) {
		element.attachEvent('on' + event, handler);
	} else if (element.addEventListener) {
		element.addEventListener(event, handler, false);
	} else {
		element[event] = handler;
	}
}

function getInstanceDelegate (obj, methodName) {
	return( function(e) {
		e = e || window.event;
		return obj[methodName](e);
	} );
}


//element manipulation, functions with limited functionality defined not to throw errors on the page
window.onload=init;

function init()
{
	try {
		document.getElementById('languageFilterToolTip').style.display = "none";
	}
	catch (e) {}
	try {
		document.getElementById('membersOptionsFilterToolTip').style.display = "none";
	}
	catch (e1) {}
	try {
		expandAll(document.getElementById('toggleAllImage'));
	}
	catch (e2) {}
		// split screen
	try {
		var screen = new SplitScreen('header', 'mainSection');
	}
	catch (e3) {}
}


function OnLoadImage()
{
}

function ExpandCollapse(imageItem) {
	if (imageItem.src == document.getElementById("expandImage").src) {
		expand(imageItem);
	}
	else {
		collapse(imageItem);
	}
}

// helper
function expand(imageItem) {
	imageItem.src = document.getElementById("collapseImage").src;
	imageItem.alt = document.getElementById("collapseImage").alt;
	var section = imageItem.parentNode.parentNode;
	do {
		section = section.nextSibling;
  } while (section && !section.tagName || section.tagName.toLowerCase() != "div");
  if (section != null) {
		section.style.display	= "";
  } 		
}

// helper
function collapse(imageItem) {
	imageItem.src = document.getElementById("expandImage").src;
	imageItem.alt = document.getElementById("expandImage").alt;
	var section = imageItem.parentNode.parentNode;
	do {
		section = section.nextSibling;
  } while (section && !section.tagName || section.tagName.toLowerCase() != "div");
  if (section != null) {
		section.style.display	= "none";
  } 		
}


function ExpandCollapse_CheckKey(imageItem) {
	if(window.event.keyCode == 13)
		ExpandCollapse(imageItem);
}

function OpenSection(imageItem)
{
}

function ExpandCollapseAll(imageItem) {
	if (imageItem.src == document.getElementById("expandAllImage").src) {
		expandAll(imageItem)
	}
	else {
		collapseAll(imageItem);
	}
}

//helper
function expandAll(imageItem) {
	var switches = document.getElementsByName("toggleSwitch");
	
	imageItem.src = document.getElementById("collapseAllImage").src;
	imageItem.alt = document.getElementById("collapseAllImage").alt;
	document.getElementById("collapseAllLabel").style.display = "inline";
	document.getElementById("expandAllLabel").style.display = "none";

	for (var i = 0; i < switches.length; ++i) {
		expand(switches[i]);
	}
}

//helper
function collapseAll(imageItem) {
	var switches = document.getElementsByName("toggleSwitch");
	
	imageItem.src = document.getElementById("expandAllImage").src;
	imageItem.alt = document.getElementById("expandAllImage").alt;
	document.getElementById("collapseAllLabel").style.display = "none";
	document.getElementById("expandAllLabel").style.display = "inline";

	for (var i = 0; i < switches.length; ++i) {
		collapse(switches[i]);
	}
}


function SetLanguage(key)
{
}

function loadAll(){
}

function saveAll(){
}


function ChangeCopyCodeIcon(spanItem) {
	try {
		var imageItem = getCopyCodeImageItem(spanItem);
		if (imageItem.src == document.getElementById("copyImage").src) {
			imageItem.src = document.getElementById("copyHoverImage").src;
		} else {
			imageItem.src = document.getElementById("copyImage").src;
		}
	} catch (ex) {}
}


function getCopyCodeImageItem(spanItem) {
	var kids = spanItem.childNodes;
	for (var i = 0; i < kids.length; i++) {
		if (kids[i].className == "copyCodeImage") {
			return kids[i];
		}
	}
	return null;
}


function CopyCode(spanItem) {
	try {
		var kids = spanItem.parentNode.parentNode.parentNode.childNodes;
		var tr = null;
		for (var i = 0; i < kids.length; i++) {
			if (kids[i].nodeName.toLowerCase() == "tr") {
				tr = kids[i];
			}
		}
		if (tr != null) {
			var code = tr.lastChild.firstChild.innerHTML;
			code = code.replace(/<br>/gi, "\n");
			code = code.replace(/&lt;/gi, "<");
			code = code.replace(/&gt;/gi, ">");
			code = code.replace(/&amp;/gi, "&");
			code = code.replace(/&quot;/gi, "\"");
			try {
				// works in IE only
				window.clipboardData.setData("Text", code);
			} catch (ex) {
				popCodeWindow(code);
			}
		}
	} catch (e) {}
}


function popCodeWindow(code) {
	try {
		var codeWindow =  window.open ("",
			"Copy the selected code",
			"location=0,status=0,toolbar=0,menubar =0,directories=0,resizable=1,scrollbars=1,height=400, width=400");
		codeWindow.document.writeln("<html>");
		codeWindow.document.writeln("<head>");
		codeWindow.document.writeln("<title>Copy the selected code</title>");
		codeWindow.document.writeln("</head>");
		codeWindow.document.writeln("<body bgcolor=\"#FFFFFF\"");
		codeWindow.document.writeln('<pre id="code_text">');
		codeWindow.document.writeln(code);
		codeWindow.document.writeln("</pre>");
		codeWindow.document.writeln("<scr" + "ipt>");
		// the selectNode function below, converted by http://www.howtocreate.co.uk/tutorials/jsexamples/syntax/prepareInline.html 
		var ftn = "function selectNode (node) {\n\tvar selection, range, doc, win;\n\tif ((doc = node.ownerDocument) && \n\t\t(win = doc.defaultView) && \n\t\ttypeof win.getSelection != \'undefined\' && \n\t\ttypeof doc.createRange != \'undefined\' && \n\t\t(selection = window.getSelection()) && \n\t\ttypeof selection.removeAllRanges != \'undefined\') {\n\t\t\t\n\t\trange = doc.createRange();\n\t\trange.selectNode(node);\n    selection.removeAllRanges();\n    selection.addRange(range);\n\t} else if (document.body && \n\t\t\ttypeof document.body.createTextRange != \'undefined\' && \n\t\t\t(range = document.body.createTextRange())) {\n     \n\t\t \trange.moveToElementText(node);\n     \trange.select();\n  }\n} ";
		codeWindow.document.writeln(ftn);
		codeWindow.document.writeln("selectNode(document.getElementById('code_text'));</scr" + "ipt>");
		codeWindow.document.writeln("</body>");
		codeWindow.document.writeln("</html>");
		codeWindow.document.close();
	} catch (ex) {}
}


function selectNode (node) {
	var selection, range, doc, win;
	if ((doc = node.ownerDocument) && 
		(win = doc.defaultView) && 
		typeof win.getSelection != 'undefined' && 
		typeof doc.createRange != 'undefined' && 
		(selection = window.getSelection()) && 
		typeof selection.removeAllRanges != 'undefined') {
			
		range = doc.createRange();
		range.selectNode(node);
    selection.removeAllRanges();
    selection.addRange(range);
	} else if (document.body && 
			typeof document.body.createTextRange != 'undefined' && 
			(range = document.body.createTextRange())) {
     
		 	range.moveToElementText(node);
     	range.select();
  }
} 


function CopyCode_CheckKey(spanItem)
{
	if(window.event.keyCode == 13)
		CopyCode(spanItem);
}