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";

h.style.zIndex = 1000;

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;

t=el.getAttribute("title");

if(t==null || t.length==0) t="No description available";

el.removeAttribute("title");

tooltip=CreateEl("span","tooltip");

s=CreateEl("span","top");

s.appendChild(document.createTextNode(t));

tooltip.appendChild(s);

b=CreateEl("b","bottom");

if(t==null || t.length==0) l=el.getAttribute("href");

if(l != null && 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 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","fileadmin/scripts/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";

}