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

function findPos(obj) 
	{
	var curleft = curtop = 0;
	if (obj.offsetParent) 
		{
			do {
				curleft += obj.offsetLeft;
				curtop += obj.offsetTop;
				} 
			while (obj = obj.offsetParent);
			return curleft;
			//return [curleft,curtop];
		}
	}

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;
var leftedge = findPos(el);
t=el.getAttribute("title");
//if(t==null || t.length==0) t="link:";
if(t==null || t.length==0) {return;}
el.removeAttribute("title");
//tooltip=CreateEl("span","tooltip");
if (leftedge < 800)
	{
	tooltip=CreateEl("span","tooltip");
	}
else
	{
	tooltip=CreateEl("span","tooltip_mirror");
	}
s=CreateEl("span","top");
s.appendChild(document.createTextNode(t));
tooltip.appendChild(s);
b=CreateEl("b","bottom");
l=el.getAttribute("href");
//if(l.length>28) {l="Click for more information.";}
if (l.length<2 && l.substr(0,1)=="#"){l=""}
else {l="Click now.";}
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 AddCss(){
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","bt.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;
        }
    }
if (posx > 819) {posx -= 160}
document.getElementById("btc").style.top=(posy+10)+"px";
document.getElementById("btc").style.left=(posx-20)+"px";
}