/*
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 : ['a','abbr','acronym','div','dfn','label','dt'],	// @Array: Allowable elements that can have the toolTip
	tipClasses : ['tooltipActive'], // @Array: Allowable classes that can have the toolTip
	obj : Object,							// @Element: That of which you're hovering over
	tip : Object,							// @Element: The actual toolTip itself
	active : 1,								// @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;
		var tipLen = this.tipClasses.length;
		
		for ( i=0; i<tipLen; i++ ) {
			var current = getElementsByClass(this.tipClasses[i]);
			//var current = document.getElementsByTagName(this.tipElements[i]);
			var curLen = current.length;
			for ( j=0; j<curLen; j++ ) {
				if (current[j].getAttribute('title')) {
					Event.observe(current[j],'mouseover',this.tipOver.bindAsEventListener(current[j]));
					Event.observe(current[j],'mousemove',this.tipOver.bindAsEventListener(current[j]));
					Event.observe(current[j],'mouseout',this.tipOut);
					//Event.observe(current[j],'mouseout',this.tipOut.bindAsEventListener(current[j]));
					// addEvent(current[j],'mouseover',this.tipOver);
					// addEvent(current[j],'mouseout',this.tipOut);
					current[j].setAttribute('tip',current[j].title);
					current[j].removeAttribute('title');
				}
			}
		}
	},
	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 || document.body.scrollLeft);
			sweetTitles.yCord = window.event.clientY+(document.documentElement.scrollTop || document.body.scrollTop);
		}
	},
	tipOver : function(e) {
		
			try{
				sweetTitles.obj = this;
				tID = window.setTimeout("sweetTitles.tipShow()",50);
				//sweetTitles.tipShow();
				sweetTitles.updateXY(e);
			}
			catch (err){
				
			}
		
		
	},
	/*checkNode : function() {
		var trueObj = this.obj;
		//if ( this.tipElements.inArray(trueObj.nodeName.toLowerCase()) ) {
		//if ( this.tipElements.indexOf(trueObj.nodeName.toLowerCase()) != -1) {
		if ( this.tipClasses.indexOf(trueObj.nodeName.toLowerCase()) != -1) {
			return trueObj;
		} else {
			return trueObj.parentNode;
		}
	},*/
	checkNodeCSS : function() {
		var trueObj = this.obj;
		//if ( this.tipElements.inArray(trueObj.nodeName.toLowerCase()) ) {
		//if ( this.tipElements.indexOf(trueObj.nodeName.toLowerCase()) != -1) {
		
		var classes = trueObj.className;	
		try {
			var classArr = classes.split(' ');
			for(k=0; k<classArr.length; k++){
				if (this.tipClasses.indexOf(classArr[k]) != -1) {
					return trueObj;
				} 
			}
			return false;
		} catch(error) { }
	},
	tipOut: function() {
		try{
			sweetTitles.obj = this;
			if ( window.tID ) {
				clearTimeout(tID);
			}
			if ( window.opacityID ) {
				clearTimeout(opacityID);
			}
			tID = window.setTimeout("sweetTitles.tipHide()",100);
		}
		catch (err) {}
	},
	tipHide : function() {
		sweetTitles.tip.style.visibility = 'hidden';
	},
	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 anch = this.checkNodeCSS();
		var addy = '';
		var access = '';
		
		if (anch == false) { return; }
		
		/*if ( anch.nodeName.toLowerCase() == 'a' ) {
			addy = (anch.href.length > 25 ? anch.href.toString().substring(0,25)+"..." : anch.href);
			var access = ( anch.accessKey ? ' <span>['+anch.accessKey+']</span> ' : '' );
		} else {
			addy = anch.firstChild.nodeValue;
		}*/
		try {
			if (!anch.getAttribute('tip')) { return; }
		
			// this.tip.innerHTML = "<p>"+anch.getAttribute('tip')+"<em>"+access+addy+"</em></p>";  remove url and access-key
			this.tip.innerHTML = "<p>"+anch.getAttribute('tip')+"</p>";
			if ( parseInt(document.documentElement.clientWidth+document.documentElement.scrollLeft) < parseInt(this.tip.offsetWidth+lt) ) {
				this.tip.style.left = parseInt(lt-(this.tip.offsetWidth+10))+'px';
			} else {
				this.tip.style.left = lt+'px';
			}
			if ( parseInt(document.documentElement.clientHeight+document.documentElement.scrollTop) < parseInt(this.tip.offsetHeight+tp) ) {
				this.tip.style.top = parseInt(tp-(this.tip.offsetHeight+10))+'px';
			} else {
				this.tip.style.top = tp+'px';
			}
			this.tip.style.visibility = 'visible';
			//this.tip.style.opacity = '.1';
			//this.tipFade(10);
		} catch(error) {}
	},
	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+"')",10);
		}
		else {
			this.tip.style.opacity = '1';
			this.tip.style.filter = "alpha(opacity:100)";
		}
	}
};

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function initTitles() {
	sweetTitles.init();
}
//Event.observe(window,'load',initTitles);