تغيير ألوان الجدول بمرور الماوس على الخلية

<script language="JavaScript1.2">

/* Highlight Table Cells Script-- By Dynamic Drive
* For full source code and more DHTML scripts, visit http://www.dynamicdrive.com
* This credit MUST stay intact for use
* Visit our site at http://www.star28.com/ for more code
*/

var ns6=document.getElementById&&!document.all
var ie=document.all

function changeto(e,highlightcolor){
source=ie? event.srcElement : e.target
if (source.tagName=="TR"||source.tagName=="TABLE")
return
while(source.tagName!="TD"&&source.tagName!="HTML")
source=ns6? source.parentNode : source.parentElement
if (source.style.backgroundColor!=highlightcolor&&source.id!="ignore")
source.style.backgroundColor=highlightcolor
}

function contains_ns6(master, slave) { //check if slave is contained by master
while (slave.parentNode)
if ((slave = slave.parentNode) == master)
return true;
return false;
}

function changeback(e,originalcolor){
if
(ie&&(event.fromElement.contains(event.toElement)||source.contains(event.toElement)||source.id=="ignore")||source.tagName=="TR"||source.tagName=="TABLE")
return
else if (ns6&&(contains_ns6(source, e.relatedTarget)||source.id=="ignore"))
return
if (ie&&event.toElement!=source||ns6&&e.relatedTarget!=source)
source.style.backgroundColor=originalcolor
}

</script>


<table onMouseover="changeto(event, 'lightgreen')" onMouseout="changeback(event, 'white')">


<td id="ignore">