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

function enableTooltips(id){
	var links,i,h;
	if(!document.getElementById || !document.getElementsByTagName) return;
	h=document.createElement("span");
	h.id="btc";
	h.setAttribute("id","btc");
	h.style.position="absolute";
	document.getElementsByTagName("body")[0].appendChild(h);
	if(id==null) links=document.getElementsByTagName("a");
	else links=document.getElementById(id).getElementsByTagName("a");
	for(i=0;i<links.length;i++){
    Prepare(links[i]);
  }
}

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

function showTooltip(e){
	document.getElementById("btc").appendChild(this.tooltip);
	Locate(e);
}

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

function setOpacity(el){
	el.style.filter="alpha(opacity:95)";
	el.style.KHTMLOpacity="0.95";
	el.style.MozOpacity="0.95";
	el.style.opacity="0.95";
}

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

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-25)+"px";
}