/*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;

/*  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++){
      if(links[i].getAttribute("id")=="bubble") Prepare(links[i]);
      }
}

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

  t=el.getAttribute("title");
  if(t==null || t.length==0) t="link:";
  el.removeAttribute("title");
  tooltip=CreateEl("span","tooltip");
  s=CreateEl("span","top");
  s.appendChild(document.createTextNode(t));
  tooltip.appendChild(s);

  b=CreateEl("b","bottom");
/*
  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 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";
document.getElementById("btc").style.top="135px";//(posy)+"px";
document.getElementById("btc").style.left=(posx-10)+"px";
}