// JavaScript Document

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

function enableTooltipsBass(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++){
    PrepareBass(links[i]);
    }
}

function PrepareBass(el){
var tooltip,t,b,s,l,x,w,y,z;

t=el.getAttribute("title");
y=el.getAttribute("rev");

el.removeAttribute("title");
tooltip=CreateEl("span","tooltipBass");

s=CreateEl("span","topBass");
s.appendChild(document.createTextNode(t));

z=CreateEl("p","textBass");
z.appendChild(document.createTextNode(y));

x=CreateEl("span","bottomBass");
x.appendChild(document.createTextNode(y));

tooltip.appendChild(s);
if (t == "Tuscan Base" || t == "Tuscan Base w/o Plinth") { b=CreateEl("b","middleBass-tu"); }
if (t == "Attic Base" || t == "Attic Base w/o Plinth") { b=CreateEl("b","middleBass-at"); }

l=el.getAttribute("rel");

w=document.createElement("div");
if (t == "Tuscan Base" || t == "Tuscan Base w/o Plinth") { w.setAttribute("id", "placeholderBass-tu"); }
if (t == "Attic Base" || t == "Attic Base w/o Plinth") { w.setAttribute("id", "placeholderBass-at"); }
w.innerHTML = l;


tooltip.appendChild(b);
b.appendChild(w);

tooltip.appendChild(x);

el.tooltip=tooltip;
el.onmouseover=showTooltip;
el.onmouseout=hideTooltip;
el.onmousemove=LocateBass;
}

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 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 LocateBass(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-90)+"px";
document.getElementById("btc").style.left=(posx-325)+"px";
document.getElementById("btc").style.margin="-70px 0px 0px -250px";
}