旋钮变色

<style>

.btFeed{
	background-image: url("../images/default_btn.jpg");
	width: 58px;
	height: 23px;
	border-style:none;
}
.btFeedhover{
	background-image: url("../images/changed_btn.jpg");
	width: 58px;
	height: 23px;
	border-style:none;
}

</style>

<div class="Mp_btns">
      <input type="button" value="确 定 " id="change"/>      
      <input type="button" value="取 消" id="cancel"/>
</div>

<script>
   $(document).ready(function(){
		//按钮背景切换
		$("#change").hover(
			function(){
				$(this).removeClass("btFeed").addClass("btFeedhover");
			},
			function(){
				$(this).removeClass("btFeedhover").addClass("btFeed");
			}
		);
		$("#cancel").hover(
			function(){
				$(this).removeClass("btFeed").addClass("btFeedhover");
			},
			function(){
				$(this).removeClass("btFeedhover").addClass("btFeed");
			}
		);
   });
</script>