<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"<a href="http://www.w3.org/TR/html4/strict.dtd" target="_blank">http://www.w3.org/TR/html4/strict.dtd</a>">
<html lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>orbitz-like behavior for hovering over table cells</title>
<style type="text/CSS">
.cssguycomments {background:#eee;border:#ddd;padding:8px;margin-bottom:40px;}
.cssguycomments p {font:normal 12px/18px verdana;}
table {border-collapse:collapse;}
thead th {
font:bold 13px/18px georgia;
text-align:left;
background:#fff4c6;
color:#333;
padding:8px 16px 8px 8px;
border-right:1px solid #fff;
border-bottom:1px solid #fff;
}
thead th.null {background:#fff;}
tbody th {
font:bold 12px/15px georgia;
text-align:left;
background:#fff9e1;
color:#333;
padding:8px;
border-bottom:1px solid #f3f0e4;
border-right:1px solid #fff;
}
tbody td {
font:normal 12px/15px georgia;
color:#333;
padding:8px;
border-right:1px solid #f3f0e4;
border-bottom:1px solid #f3f0e4;
}
/* 这3个是关键 –cssrain.cn */
tbody td.on {background:green;}
thead th.on {background:red;}
tbody th.on {background:red;}
</style>
<script type="text/javascript">
/*
For functions getElementsByClassName, addClassName, and removeClassName
Copyright Robert Nyman, <a href="http://www.knowsky.com" target="_blank">http://www.knowsky.com</a>
Free to use if this text is included
*/
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != ‘function’) {
window.onload = func;
} else {
window.onload = function() {
oldonload();
func();
}
}
}
function getElementsByClassName(className, tag, elm){
var testClass = new RegExp("(^|s)" + className + "(s|$)");
var tag = tag || "*";
var elm = elm || document;
var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
var returnElements = [];
var current;
var length = elements.length;
for(var i=0; i<length; i++){
current = elements[i];
if(testClass.test(current.className)){
returnElements.push(current);
}
}
return returnElements;
}
function addClassName(elm, className){
var currentClass = elm.className;
if(!new RegExp(("(^|s)" + className + "(s|$)"), "i").test(currentClass)){
elm.className = currentClass + ((currentClass.length > 0)? " " : "") + className;
}
return elm.className;
}
function removeClassName(elm, className){
var classToRemove = new RegExp(("(^|s)" + className + "(s|$)"), "i");
elm.className = elm.className.replace(classToRemove, "").replace(/^s+|s+$/g, "");
return elm.className;
}
function makeTheTableHeadsHighlight() {
// get all the td’s in the heart of the table…
var table = document.getElementById(’rockartists’);
var tbody = table.getElementsByTagName(’tbody’);
var tbodytds = table.getElementsByTagName(’td’);
// and loop through them…
for (var i=0; i<tbodytds.length; i++) {
// take note of their default class name
tbodytds[i].oldClassName = tbodytds[i].className;
// when someone moves their mouse over one of those cells…
tbodytds[i].onmouSEOver = function() {
// attach ‘on’ to the pointed cell
addClassName(this,’on’);
// attach ‘on’ to the th in the thead with the same class name
var topheading = getElementsByClassName(this.oldClassName,’th’,table);
addClassName(topheading[0],’on’);
// attach ‘on’ to the far left th in the same row as this cell
var row = this.parentNode;
var rowheading = row.getElementsByTagName(’th’)[0];
addClassName(rowheading,’on’);
}
// ok, now when someone moves their mouse away, undo everything we just did.
tbodytds[i].onmouseout = function() {
// remove ‘on’ from this cell
removeClassName(this,’on’);
// remove ‘on’ from the th in the thead
var topheading = getElementsByClassName(this.oldClassName,’th’,table);
removeClassName(topheading[0],’on’);
// remove ‘on’ to the far left th in the same row as this cell
var row = this.parentNode;
var rowheading = row.getElementsByTagName(’th’)[0];
removeClassName(rowheading,’on’);
}
}
}
addLoadEvent(makeTheTableHeadsHighlight);
</script>
</head>
<body>
<div class="cssguycomments">
<p>Final example with Javascript applied. Hover over a table cell to see effects. "View Source" and copy if you’d like to use.</p>
</div>
<table id="rockartists">
<thead>
<tr>
<th class="null"> </th>
<th class="stones">Rolling Stones</th>
<th class="u2">U2</th>
<th class="crue">Mötley Crüe</th>
</tr>
</thead>
<tbody>
<tr>
<th>Lead Vocals</th>
<td class="stones">Mick Jagger</td>
<td class="u2">Bono</td>
<td class="crue">Vince Neil</td>
</tr>
<tr>
<th>Lead Guitar</th>
<td class="stones">Keith Richards</td>
<td class="u2">The Edge</td>
<td class="crue">Mick Mars</td>
</tr>
<tr>
<th>Bass Guitar</th>
<td class="stones">Ron Wood</td>
<td class="u2">Adam Clayton</td>
<td class="crue">Nikkie Sixx</td>
</tr>
<tr>
<th>Drums</th>
<td class="stones">Charlie Watts</td>
<td class="u2">Larry Mullen, Jr.</td>
<td class="crue">Tommy Lee</td>
</tr>
</tbody>
</table>
</body>
</html>
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