Hi,
You can do it using javascript and css.
Try this code it might help.
<head runat="server">
<title>Untitled Page</title>
<style type="text/css" runat="server">
.cs
{
background-color:Window;
}
.cs1
{
background-color:ButtonFace;
}
</style>
<script type="text/javascript">
function mov()
{
var btnid= document.getElementById('btn1');
btnid.className='cs';
}
function mout()
{
var btnid= document.getElementById('btn1');
btnid.className='cs1';
}
</script>
</head>
<body>
<form id="form1" runat="server"><input type="button" id="btn1" value="Change" onmouseover="mov()" onmouseout="mout()" runat="server" onserverclick="clk" />
</form>
how is its work
pl tell me the step to follow