/*javascript for Bubble Tooltips by Alessandro Fulciniti
- http://pro.html.it - http://web-graphics.com */

var opacity = 90;

function enableTooltips(id){   //////////  pass this the id of the section of the page you want it to work over  
	var links,i,h;
	if(!document.getElementById || !document.getElementsByTagName) return;
	AddCss();
	h=document.createElement("span");
	h.id="btc";
	h.setAttribute("id","btc");
	h.style.position="absolute";
	document.getElementsByTagName("body")[0].appendChild(h);
	var tags = new Array('IMG'); //////////////////////////////////////////// Configure this to be the tags you want to search in for title
	for(var x=0; x<tags.length; x++){
		if(id==null) links=document.getElementsByTagName(tags[x]);
		else links=document.getElementById(id).getElementsByTagName(tags[x]);
		for(i=0;i<links.length;i++){
			Prepare(links[i]);
		}
	}
}

function Prepare(el){
var tooltip,t,b,p,i,s,l;
//alert(el.title);												//////// put in to show titles being processed
t=el.getAttribute("title");
if(t==null || t.length==0) return;
el.removeAttribute("title");

tooltip=CreateEl("span","tooltip");
var bits = t.split('~');
if(bits.length>1) {  
	i = CreateEl("img","");
	i.setAttribute("src",bits[1]);
	tooltip.appendChild(i);
	if(bits.length>1) {
		b = CreateEl("i","");
		b.appendChild(document.createTextNode(bits[0]));
		tooltip.appendChild(b);
		if(bits.length>2) { 
			p = CreateEl("p","");
			bits[2] = bits[2].replace(/\n\n/g,"\n");
			bits[2] = bits[2].replace(/\x0a\x0d/g,"");
			var lines = bits[2].split(/\n/);
			for(var x=0;x<lines.length;x++){
				if(lines[x] != '' && lines[x] != ' '){
					var line = CreateEl("span","");
					line.appendChild(document.createTextNode(lines[x]));
					p.appendChild(line);
				}
			}
			tooltip.appendChild(p);
		}
	}
}
setOpacity(tooltip);
el.tooltip=tooltip;
el.onmouseover=showTooltip;
el.onmouseout=hideTooltip;
el.onmousemove=Locate;
}

function WORKINGPrepare(el){
var tooltip,t,b,s,l;
t=el.getAttribute("title");
if(t==null || t.length==0) return;
el.removeAttribute("title");
tooltip=CreateEl("span","tooltip");
s=CreateEl("span","top");
s.appendChild(document.createTextNode(t));
tooltip.appendChild(s);
//l=el.getAttribute("href");
//if(l.length>30) l=l.substr(0,27)+"...";
//b.appendChild(document.createTextNode(l));
setOpacity(tooltip);
el.tooltip=tooltip;
el.onmouseover=showTooltip;
el.onmouseout=hideTooltip;
el.onmousemove=Locate;
}

var TID=null;
function showTooltip(e){
	var d=document.getElementById("btc");
	if(d.childNodes.length>0) d.removeChild(d.firstChild);
	d.appendChild(this.tooltip);
	Locate(e);
	if (TID) clearTimeout(TID);
}

function hideTooltip(e){
	TID=setTimeout("timed_hideTooltip()",500);
}


function timed_hideTooltip(){
	var d=document.getElementById("btc");
	if(d.childNodes.length>0) d.removeChild(d.firstChild);
}


function setOpacity(el){
el.style.filter="alpha(opacity:"+opacity+")";
el.style.KHTMLOpacity="0."+opacity;
el.style.MozOpacity="0."+opacity;
el.style.opacity="0."+opacity;
}

function CreateEl(t,c){
var x=document.createElement(t);
x.className=c;
x.style.display="block";
return(x);
}

function AddCss(){
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","/css/tooltip.css");
l.setAttribute("media","screen");
document.getElementsByTagName("head")[0].appendChild(l);
}

function Locate(e){
var posx=0,posy=0;
if(e==null) e=window.event;
if(e.pageX || e.pageY){
    posx=e.pageX; posy=e.pageY;
    }
else if(e.clientX || e.clientY){
    if(document.documentElement.scrollTop){
        posx=e.clientX+document.documentElement.scrollLeft;
        posy=e.clientY+document.documentElement.scrollTop;
        }
    else{
        posx=e.clientX+document.body.scrollLeft;
        posy=e.clientY+document.body.scrollTop;
        }
    }
document.getElementById("btc").style.top=(posy+10)+"px";
document.getElementById("btc").style.left=(posx-20)+"px";
}