function showDiv(event)
{
	if (typeof event == "undefined")
	{
		event = window.event;
	}
	var target = getEventTarget(event);
	var tipitem;
	if (target.value != null) {
		tipitem = target.value;
	}
	tipitem = "div_" + tipitem;
	if (document.getElementById(tipitem)) {
		var tipdiv =  document.getElementById(tipitem);
		var fieldLabel = target.nextSibling;
		while (fieldLabel.nodeName.toLowerCase() !="label") {
			fieldLabel = fieldLabel.nextSibling;
		}
		if (target.checked == true) {
			tipdiv.style.display = "block";
			fieldLabel.className = "biglabel";
		} else {
			tipdiv.style.display = "none";
			fieldLabel.className = "normlabel";
		}
	}
	return true;
}

function initTooltips()
{
	var tips = getElementsByAttribute("class","hasform");
	for (var i=0;i < tips.length; i++)
	{
		attachEventListener(tips[i],"click",showDiv,false);
	}
	return true;
}

function attachEventListener(target,eventType,functionRef,capture)
{
	if (typeof target.addEventListener != "undefined")
	{
		target.addEventListener(eventType,functionRef,capture);
	}
	else if (typeof target.attachEvent != "undefined")
	{
		target.attachEvent("on" + eventType, functionRef);
	}
	else
	{
		eventType = "on" + eventType;
		if (typeof target[eventType] == "function")
		{
			var oldListener = target[eventType];
			target[eventType] = function()
			{
				oldListener();
				return functionRef();
			};
		}
		else
		{
			target[eventType] = funtionRef;
		}
	}
}
function addLoadListener(fn)
{
	if (typeof window.addEventListener != 'undefined')
	{
		window.addEventListener('load',fn,false);
	}
	else if (typeof document.addEventListener != 'undefined')
	{
		document.addEventListener('load',fn,false);
	}
	else if (typeof window.attachEvent != 'undefined')
	{
		window.attachEvent('onload',fn);
	}
	else
	{
		var oldfn = window.onload;
		if (typeof window.onload != 'function')
		{
			window.onload = fn;
		}
		else
		{
			window.onload = function()
			{
				oldfn();
				fn();
			};
		}
	}
}
function getElementsByAttribute(attribute,attributeValue)
{
	var elementArray = new Array();
	var matchedArray = new Array();
	if (document.all)
	{
		elementArray = document.all;
	}
	else
	{
		elementArray = document.getElementsByTagName("*");
	}
	
	for (var i = 0;i<elementArray.length;i++)
	{
		if (attribute == "class")
		{
			var pattern = new RegExp("(^| )" + attributeValue + "( |$)")
			if (pattern.test(elementArray[i].className))
			{
				matchedArray[matchedArray.length] = elementArray[i]; 
			}
		}
		else if (attribute == "for")
		{
			if (elementArray[i].getAttribute("htmlFor") || elementArray[i].getAttribute("for"))
			{
				if (elementArray[i].htmlFor == attributeValue)
				{
					matchedArray[matchedArray.length] = elementArray[i];
				}
			}
		}
		else if (elementArray[i].getAttribute(attribute) == attributeValue)
		{
			matchedArray[matchedArray.length] = elementArray[i];
		}
	}
	return matchedArray;
}
function getEventTarget(event)
{
	var targetElement = null;
	if (typeof event.target != "undefined")
	{
		targetElement = event.target;
	}
	else
	{
		targetElement = event.srcElement;
	}
	while (targetElement.nodeType == 3 && targetElement.parentNode != null)
	{
		targetElement = targetElement.parentNode;
	}
	return targetElement;
}

addLoadListener(initTooltips);