*{ padding:0px; margin:0px;}
*html{background-image:url(about:blank);background-attachment:fixed;}/*解决IE6下滚动抖动的问题*/
/*解决IE6下不兼容 position:fixed 的问题*/

#code,#code_hover,#gotoptwo{ width:46px; height:46px; background:url(../images/icon.png) no-repeat; position:fixed; right:30px; cursor:pointer;
_position:absolute;_bottom:auto;_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));
}

#code{ background-position:-276px -65px;
				 bottom:105px; _margin-bottom:105px;}
				 
#code_hover{ background-position:-325px -65px; bottom:105px; _margin-bottom:105px;}

#gotoptwo{ background-position:-276px -118px; bottom:50px; _margin-bottom:50px;
z-index:9999;} 

#code_img{ width:270px; 
			height:176px;
			 background:url(../images/icon.png) -4px -3px no-repeat; 
			 position:fixed; 
			 right:80px;
			  bottom:30px;
			  cursor:pointer; 
			  display:none;
			_position:absolute;
			_bottom:auto;
			_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0))); _margin-bottom:67px; z-index:99999;}