﻿function addEvent(elm, evType, fn, useCapture) 
{
	if (elm.addEventListener) 
	{ 
	    elm.addEventListener(evType, fn, useCapture); 
	    return true; 
	}
	else if (elm.attachEvent) 
	{ 
	    var r = elm.attachEvent('on' + evType, fn); 
	    EventCache.add(elm, evType, fn);
	    return r; 
	}
	else 
	{
	    elm['on' + evType] = fn;
	    return null;
	}
}
function getEventSrc(e) 
{
	if (!e) e = window.event;

	if (e.originalTarget)
	return e.originalTarget;
	else if (e.srcElement)
	return e.srcElement;
	return null;
}
function addLoadEvent(func) 
{
    var oldonload = window.onload;
	if (typeof window.onload != 'function') 
	{
	window.onload = func;
	} 
	else 
	{
	    window.onload = 
		function() 
		{
		    oldonload();
		    func();
	    }
	}
}
var EventCache = function()
{
	var listEvents = [];
	return {
		listEvents : listEvents,
	
		add : function(node, sEventName, fHandler, bCapture){
			listEvents.push(arguments);
		},
	
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				
				if(item[0].removeEventListener)
				{
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				
				/* From this point on we need the event names to be prefixed with 'on" */
				if(item[1].substring(0, 2) != "on")
				{
					item[1] = "on" + item[1];
				};
				
				if(item[0].detachEvent)
				{
					item[0].detachEvent(item[1], item[2]);
				};
				
				item[0][item[1]] = null;
			};
		}
	};
}();

addEvent(window,'unload',EventCache.flush, false);
var toolTipLib = 
{ 
	xCord : 0,
	yCord : 0,
	obj : null,
	tipElements: ['img', 'a', 'abbr', 'acronym', 'td', 'th'],
	showToolTipForAll : false,
	TimeOut : 100,
	showUrl : false,
	attachToolTipBehavior: function() 
	{
		if ( !document.getElementById ||
			!document.createElement ||
			!document.getElementsByTagName ) 
			{
			return;
		    }
		var i,j;
		addEvent(document,'mousemove',toolTipLib.updateXY,false);
		if (document.captureEvents ) 
		{
				document.captureEvents(Event.MOUSEMOVE);
		}
		for ( i=0;i<toolTipLib.tipElements.length;i++ ) 
		{
			var current = document.getElementsByTagName(toolTipLib.tipElements[i]);
			for ( j=0;j<current.length;j++ ) {
				if(toolTipLib.showToolTipForAll || (current[j].getAttribute('title') 
				&& current[j].getAttribute('title').length >= 1))
				{
					addEvent(current[j],'mouseover',toolTipLib.tipOver,false);
					addEvent(current[j],'mouseout',toolTipLib.tipOut,false);
					current[j].setAttribute('tip',current[j].title);
					current[j].removeAttribute('title');
					current[j].removeAttribute('alt');
				}
			}
		}
	},
	updateXY : function(e) 
	{
		if ( document.captureEvents ) 
		{
			toolTipLib.xCord = e.pageX;
			toolTipLib.yCord = e.pageY;
		} else if ( window.event.clientX ) 
		{
			toolTipLib.xCord = window.event.clientX+document.documentElement.scrollLeft;
			toolTipLib.yCord = window.event.clientY+document.documentElement.scrollTop;
		}
	},
	tipOut: function(e) 
	{
		if ( window.tID ) 
		{
			clearTimeout(tID);
		}
		if ( window.opacityID ) 
		{
			clearTimeout(opacityID);
		}
		var l = getEventSrc(e);
		var div = document.getElementById('toolTip');
		if ( div ) 
		{
			div.parentNode.removeChild(div);
		}
	},
	checkNode : function(obj) 
	{
		var trueObj = obj;
		if ( (trueObj.nodeName.toLowerCase() == 'img' && trueObj.getAttribute('tip') )
			|| trueObj.nodeName.toLowerCase() == 'a' 
			|| trueObj.nodeName.toLowerCase() == 'acronym' 
			|| trueObj.nodeName.toLowerCase() == 'abbr'
			|| trueObj.nodeName.toLowerCase() == 'th'
			|| trueObj.nodeName.toLowerCase() == 'td'
			) 
        {
			return trueObj;
		} else 
		{
			return trueObj.parentNode;
		}
	},
	tipOver : function(e) 
	{
		toolTipLib.obj = getEventSrc(e);
		tID = setTimeout("toolTipLib.tipShow()",toolTipLib.TimeOut)
	},
	tipShow : function() 
	{
		var newDiv = document.createElement('div');
		var scrX = Number(toolTipLib.xCord);
		var scrY = Number(toolTipLib.yCord);
		var tp = parseInt(scrY+15);
		var lt = parseInt(scrX+10);
		var anch = toolTipLib.checkNode(toolTipLib.obj);
		//alert(anch);
		var addy = '';
		var access = '';
		if ( anch.nodeName.toLowerCase() == 'a' ) 
		{
			if(toolTipLib.showUrl) 
				addy = (anch.href.length > 25 ? anch.href.toString().substring(0,25)+"..." : anch.href);
			else
				addy = '';
			var access = ( anch.accessKey ? ' <span>['+anch.accessKey+']</span> ' : '' );
		} 
		else if ( anch.nodeName.toLowerCase() == 'img') 
		{
			addy = '';
		}
		else 
		{
			addy = anch.firstChild.nodeValue;
		}
		newDiv.id = 'toolTip';
		document.getElementsByTagName('body')[0].appendChild(newDiv);
		newDiv.style.opacity = '.1';
		newDiv.innerHTML = "<p>"+anch.getAttribute('tip');
		if(addy) newDiv.innerHTML +="<em>"+access+addy+"</em>";
		newDiv.innerHTML += "</p>";
		if (parseInt(document.documentElement.clientWidth+document.documentElement.scrollLeft) < parseInt(newDiv.offsetWidth+lt) ) 
		{
			newDiv.style.left = parseInt(lt-(newDiv.offsetWidth+10))+'px';
		} else 
		{
			newDiv.style.left = lt+'px';
		}
		if ( parseInt(document.documentElement.clientHeight+document.documentElement.scrollTop) < parseInt(newDiv.offsetHeight+tp) ) 
		{
			newDiv.style.top = parseInt(tp-(newDiv.offsetHeight+10))+'px';
		} else 
		{
			newDiv.style.top = tp+'px';
		}
		toolTipLib.tipFade('toolTip',10);
	},
	tipFade: function(div,opac) 
	{
		var obj = document.getElementById(div);
		var passed = parseInt(opac);
		var newOpac = parseInt(passed+10);
		if ( newOpac < 80 ) {
			obj.style.opacity = '.'+newOpac;
			obj.style.filter = "alpha(opacity:"+newOpac+")";
			opacityID = setTimeout("toolTipLib.tipFade('toolTip','"+newOpac+"')",20);
		}
		else 
		{ 
			obj.style.opacity = '.80';
			obj.style.filter = "alpha(opacity:80)";
		}
	}
};
addEvent(window,'load',toolTipLib.attachToolTipBehavior,false);