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

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

function Prepare(el){
var tooltip,t,b,s,l,n;

if ( el.getAttribute("classname") == "GlossaryTerm" || el.getAttribute("class") == "GlossaryTerm" ) {
	n=el.nodeName.toLowerCase();
	t=el.getAttribute("title");
	if(t==null || t.length==0) t="Glossary entry not found";
	el.removeAttribute("title");
	tooltip=CreateEl("span","tooltip");
	s=CreateEl("span","top");
	s.appendChild(document.createTextNode(getNodeText(el).toUpperCase() + ": "));
	s.innerHTML = s.innerHTML + "<BR>";
	s.appendChild(document.createTextNode(t));
	tooltip.appendChild(s);
	b=CreateEl("b","bottom");
/*	
	if (n=="a"){ 
	
		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 getNodeText(node){
while (node.firstChild){
	node = node.firstChild;
	if (node.nodeType==3){
		return node.data;
	} 
}
return "No data Found";
}

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;
        }
    }
document.getElementById("btc").style.top=(posy+10)+"px";
document.getElementById("btc").style.left=(posx-20)+"px";
}