// JavaScript Document

/*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++){
    Prepare(links[i]);
    }
}

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

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

el.removeAttribute("title");
if (t == "RL-1") { tooltip=CreateEl("span","tooltip-rail-top"); }
if (t == "RL-2") { tooltip=CreateEl("span","tooltip-rail-bottom"); }
if (t == "RL-3") { tooltip=CreateEl("span","tooltip-radius-top"); }
if (t == "RL-4") { tooltip=CreateEl("span","tooltip-radius-bottom"); }

if (t == "PS-1") { tooltip=CreateEl("span","tooltip-porch-standard"); }
if (t == "PS-2") { tooltip=CreateEl("span","tooltip-porch-standard2"); }
if (t == "PS-3") { tooltip=CreateEl("span","tooltip-porch-cut"); }
if (t == "PS-4") { tooltip=CreateEl("span","tooltip-porch-fluted"); }
if (t == "PS-5") { tooltip=CreateEl("span","tooltip-newel-square"); }
if (t == "PS-6") { tooltip=CreateEl("span","tooltip-newel-panels"); }
if (t == "PS-7") { tooltip=CreateEl("span","tooltip-newel-side"); }
if (t == "PS-8") { tooltip=CreateEl("span","tooltip-newel-corner"); }


if (t == "AC-1") { tooltip=CreateEl("span","tooltip-access-block"); }
if (t == "AC-2") { tooltip=CreateEl("span","tooltip-access-flat"); }
if (t == "AC-3") { tooltip=CreateEl("span","tooltip-access-peaked"); }
if (t == "AC-4") { tooltip=CreateEl("span","tooltip-access-ball"); }
if (t == "AC-5") { tooltip=CreateEl("span","tooltip-access-trim"); }

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

l=el.getAttribute("rel");

w=document.createElement("img");
w.setAttribute("src", l);

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

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 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+10)+"px";
document.getElementById("btc").style.margin="20px 0px 0px 0px"; }