function enableTooltips(id){
var link,i,h;
if(!document.getElementById || !document.getElementsByTagName) return;

if(id == null || document.getElementById(id) == null) return;

//AddCss();
h=document.createElement("span");
h.id="btc";
h.setAttribute("id","btc");
h.style.position="absolute";
h.style.zIndex = 1000;
document.getElementsByTagName("body")[0].appendChild(h);

link=document.getElementById(id);
Prepare(link);
}

function Prepare(el) {
    var tooltip,b,s;
    
    tooltip=CreateEl("span","tooltip");
    
    s=CreateEl("span","top");
    s.appendChild(document.createTextNode(tetxtemp));
    tooltip.appendChild(s);
    
    b=CreateEl("b","bottom");
        
    b.appendChild(document.createTextNode(''));
    
    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","../Styles/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";

if((posx-20) > document.body.clientWidth - 220)
    document.getElementById("btc").style.left = (posx-20) - ((posx-20) - (document.body.clientWidth - 210))  +"px";

}