兼容IE,FireFox的浮动图片广告

使用例子

<div id= 'floatAD'  style="z-index:999">
		<a target="_blank" href="${ad.url}">
		<img width="340" height="280" border="0" alt="浮动广告" src="${home}/common/file/get.do?id=${ad.imageFileId}">
		</a>
	</div>
	<script type="text/javascript" src="${home}/script/catalog2AD_main.js"></script>
	<script type="text/javascript" src="${home}/script/catalog2AD_AdMove.js"></script>
		<script type="text/javascript">
		
		var ad1=new AdMove("floatAD",true);
	        ad1.Run();
	</script>