<!--把如下代码加入<body>区域中-->
<style>
<!--
.initial2{font-weight:bold;background-color:lime}
//-->
</style>
<script>
<!--
function change(color){
var el=event.srcElement
if (el.tagName=="INPUT"&&el.type=="button")
event.srcElement.style.backgroundColor=color
}
function jumpto2(url){
window.location=url
}
//-->
</script>
<form onMouseover="change('yellow')" onMouseout="change('lime')">
<input type="button" value="Sina " class="initial2" onClick="jumpto2('http://sina.com.cn')">
<input type="button" value="Sohu " class="initial2" onClick="jumpto2('http://Sohu.com')">
</form>
