/*
Sweet Titles (c) Creative Commons 2005
http://creativecommons.org/licenses/by-sa/2.5/
Author: Dustin Diaz | http://www.dustindiaz.com
*/
var sweetTitles = { 
	xCord : 0,								// @Number: x pixel value of current cursor position
	yCord : 0,								// @Number: y pixel value of current cursor position
	tipElements : ['abbr','acronym'],		// @Array: Allowable elements that can have the toolTip
	obj : Object,							// @Element: That of which you're hovering over
	tip : Object,							// @Element: The actual toolTip itself
	active : 0,								// @Number: 0: Not Active || 1: Active
	init : function() {
		if ( !document.getElementById ||
			!document.createElement ||
			!document.getElementsByTagName ) {
			return;
		}
		var i,j;
		this.tip = document.createElement('div');
		this.tip.id = 'toolTip';
		document.getElementsByTagName('body')[0].appendChild(this.tip);
		this.tip.style.top = '0';
		this.tip.style.visibility = 'hidden';
		var tipLen = this.tipElements.length;
		for ( i=0; i<tipLen; i++ ) {
			var current = document.getElementsByTagName(this.tipElements[i]);
			var curLen = current.length;
			for ( j=0; j<curLen; j++ ) {
				addTooltipEvent(current[j],'mouseover',this.tipOver);
				addTooltipEvent(current[j],'mouseout',this.tipOut);
				current[j].setAttribute('tip',current[j].title);
				current[j].removeAttribute('title');
				current[j].style.cursor = 'help';
			}
		}
	},
	updateXY : function(e) {
		if ( document.captureEvents ) {
			sweetTitles.xCord = e.pageX;
			sweetTitles.yCord = e.pageY;
		} else if ( window.event.clientX ) {
			sweetTitles.xCord = window.event.clientX+document.documentElement.scrollLeft;
			sweetTitles.yCord = window.event.clientY+document.documentElement.scrollTop;
		}
	},
	tipOut: function() {
		if ( window.tID ) {
			clearTimeout(tID);
		}
		if ( window.opacityID ) {
			clearTimeout(opacityID);
		}
		sweetTitles.tip.style.visibility = 'hidden';
		if (isOldIE()) {
			var current = document.getElementsByTagName("select");
			var curLen = current.length;
			for ( j=0; j<curLen; j++ ) {
				current[j].style.visibility = 'visible';
			}
		}
	},
	checkNode : function() {
		var trueObj = this.obj;
		if ( this.tipElements.inArray(trueObj.nodeName.toLowerCase()) ) {
			return trueObj;
		} else {
			return trueObj.parentNode;
		}
	},
	tipOver : function(e) {
		sweetTitles.obj = this;
		tID = window.setTimeout("sweetTitles.tipShow()",500);
		sweetTitles.updateXY(e);
	},
	tipShow : function() {
		var scrX = Number(this.xCord);
		var scrY = Number(this.yCord);
		var tp = parseInt(scrY+15);
		var lt = parseInt(scrX+10);
		var anch = this.checkNode();
		var lines = anch.getAttribute('tip').split("\r\n");
		var text = "";
		for (i = 0; i < lines.length; i++)
		{
			text = text + lines[i];
			if (i < lines.length)
				text = text + "<br/>";
		}
		this.tip.innerHTML = "<p>"+text+"</p>";

		var w;
		if (text.length > 1000)
			w = 500;
		else if (text.length > 100)
			w = 300;
		else
			w = 200;

		if ( parseInt(document.documentElement.clientWidth+document.documentElement.scrollLeft) < parseInt(this.tip.offsetWidth+lt) ) {
			lt = parseInt(lt-(this.tip.offsetWidth+10));
		}
		this.tip.style.left = lt+'px';
		this.tip.style.width = w+'px';
		this.tip.style.top = tp+'px';
		this.tip.style.visibility = 'visible';
		// this.tip.style.opacity = '.1';
		// this.tipFade(10);

		if (isOldIE()) {		
			var current = document.getElementsByTagName("select");
			var curLen = current.length;
			for ( j=0; j<curLen; j++ ) {
				current[j].style.visibility = 'hidden';
			}
		}
	},
	tipFade: function(opac) {
		var passed = parseInt(opac);
		var newOpac = parseInt(passed+10);
		if ( newOpac < 80 ) {
			this.tip.style.opacity = '.'+newOpac;
			this.tip.style.filter = "alpha(opacity:"+newOpac+")";
			opacityID = window.setTimeout("sweetTitles.tipFade('"+newOpac+"')",20);
		}
		else { 
			this.tip.style.opacity = '.80';
			this.tip.style.filter = "alpha(opacity:80)";
		}
	}
};
function pageLoader() {
	sweetTitles.init();
}
function isOldIE() {
	if ((navigator.appName=="Microsoft Internet Explorer"))
		return (document.documentElement && typeof document.documentElement.style.maxHeight == "undefined");//to check IE7
	return false;
}
addTooltipEvent(window,'load',pageLoader);