/*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;
			
		AddCss();
		
		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,up;
		t=el.getAttribute("title");

		if(t==null || t.length==0) t="Stereo Cien";
		
		el.removeAttribute("title");
		
		tooltip=CreateEl("span","tooltip");

		up=CreateEl("span","top");
		s=CreateEl("span","center");
		b=CreateEl("b","bottom");	
		
		
		s.appendChild(document.createTextNode(t));
		
		tooltip.appendChild(up);
		tooltip.appendChild(s);
		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:90)";
		el.style.KHTMLOpacity="0.90";
		el.style.MozOpacity="0.90";
		el.style.opacity="0.90";
	}

	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","../lib/BubbleTooltips/bt5.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";
	}