Creating Bubble tips for asp.net pages using javascript

Create stylish bubble tips

Sample html file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

<html>

<head>

<title>Bubble Tooltips</title>

<meta http-equiv="content-type" content="text/html; charset=iso-8859-1">

<meta name="generator" content="HAPedit 3.0">

<script type="text/javascript" src="BubbleTooltips.js"></script>

<script type="text/javascript">

window.onload=function(){enableTooltips()};

</script>

<style type="text/css">

body{font: 76%/1.5 Arial,sans-serif;background: #FFF;color: #333}

div#container{width: 500px;margin:0 auto}

h1{color: #3CA3FF;margin: 1em 0 0;letter-spacing: -2px}

p{margin: 0 0 1.7em}

a{color: #F60;font-weight:bold}

a:hover{color: #F00}

</style>

</head>

<body>

<div id="container">

<h1>Bubble Tooltips</h1>

<p>

<a href="http://www.eggheadcafe.com/tutorials/aspnet/0ab3fff9-6c37-485f-af15-373d73282b44/encryptingdecrypting-a-s.aspx" title="Encrypting/Decrypting a String in Dotnet"> Encrypting/Decrypting a String in Dotnet </a></p>

</div>

</body>

</html>


Contents of the BubbleToolTips.js
------------------------------------------------
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;
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";
}

Contents of the Style Sheet bt.css
-----------------------------------------------

.tooltip{
width: 200px; color:#000;
font:lighter 11px/1.3 Arial,sans-serif;
text-decoration:none;text-align:center}

.tooltip span.top{padding: 30px 8px 0;
    background: url(bt.gif) no-repeat top}

.tooltip b.bottom{padding:3px 8px 15px;color: #548912;
    background: url(bt.gif) no-repeat bottom}

By [)ia6l0 iii   Popularity  (2230 Views)