/*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;
	
	$("body").append('<span id="btc"></span>'); 
	$('#btc').css({'position':'absolute','z-index':'9000'});
	
	if(id==null)
	{
		links=document.getElementsByTagName("a");
	}else{
		id = id.split(',');
		for(var i=0;i<id.length;i++)
		{
			links=document.getElementById(id[i]).getElementsByTagName("a");	
		}
	}
	for(i=0;i<links.length;i++){
		Prepare(links[i]);
    }
}

function Prepare(el){
	var tooltip,t,b,s,l;
	t=$(el).attr('title');
	s=CreateEl("span","top");
	b=CreateEl("b","bottom");
	l=$(el).attr('href');
	
	tooltip=CreateEl("span","tooltip");
	
	if(t!==null && t.length!==0 && t!=='')
	{
		s.appendChild(document.createTextNode(t));
		tooltip.appendChild(s);	
	}
	
	if(l!==null && l.length!==0 && l!=='')
	{
		if(l.length>30)  l=l.substr(0,27)+"...";
		b.appendChild(document.createTextNode(l));
		tooltip.appendChild(b);
	}
	
	$(el).removeAttr("title");
		
	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+"px";
	document.getElementById("btc").style.left=(posx+20)+"px";
}