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

function enableTooltips(id){
    var tmplinks;
    var links = new Array();
    var i,h,j;
    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) tmplinks=document.getElementsByTagName("span");
    else tmplinks=document.getElementById(id).getElementsByTagName("span");
    links = new Array();
    for(i=0;i<tmplinks.length;i++){
	if (tmplinks[i].getAttribute("class") == "tt"){
	    //	    window.alert(tmplinks[i].getAttribute("class"));
	    links.push(tmplinks[i]); 
	}
    }
    for(i=0;i<links.length;i++){
	Prepare(links[i]);
    }
}

function returnf() {
    return false;
}

function Prepare(el){
    var tooltip,t,b,s,l,contentel;
    contentel = el.getElementsByTagName('div')[0];
    t=contentel.innerHTML;
    if(t==null || t.length==0) t="link:";
    el.removeAttribute("title");
    tooltip=CreateEl("span","tooltip");
    s=CreateEl("span","top");
    text = document.createElement("p");
    text.innerHTML = t;
    imgprefix = el.getAttribute("href");
    //    s.innerHTML(t);//appendChild(document.createHtmlNode(t));
    img = document.createElement("img");
    img.setAttribute("src","noebox.gif");
        //    window.alert(img.getAttribute("src"));
    img.setAttribute("width","75");
    img.setAttribute("height","75");
       s.appendChild(img);
    //    s.appendChild(text);
    tooltip.appendChild(s);
    b=CreateEl("b","bottom");
    //l=el.getAttribute("href");
    //if(l.length>28) l=l.substr(0,25)+"...";
    //b.appendChild(document.createTextNode(l));
    //    b.appendChild(document.createTextNode(""));
    b.appendChild(text);
    tooltip.appendChild(b);
    setOpacity(tooltip);
    el.tooltip=tooltip;
    //el.onclick=returnf;
    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";
}