*{ 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,#gotop{ width:50px; height:50px; background:url(../images/icon.png) no-repeat; position:fixed; right:50px; cursor:pointer;
_position:absolute;_bottom:auto;_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,0)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));
}
#code{ background-position:-272px -258px; bottom:100px; _margin-bottom:100px;}
#code_hover{ background-position:-272px -258px; bottom:100px; _margin-bottom:100px;}
#gotop{ background-position:-270px -310px; bottom:67px; _margin-bottom:67px;} 

#code_img{ width:265px; height:355px; background:url(../images/icon.png) -4px -3px no-repeat; position:fixed; right:90px; bottom:67px; 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;}


#code2a,#code2a_hover,#gotop{ width:50px; height:50px; background:url(../images/icon2a.png) no-repeat; position:fixed; right:50px; cursor:pointer;
_position:absolute;_bottom:auto;_top:expression(eval(document.documentElement2a.scrollTop+document2a.documentElement2a.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,0)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));
}
#code2a{ background-position:-272px -50px; bottom:160px; _margin-bottom:160px;}
#code2a_hover{ background-position:-272px -50px; bottom:160px; _margin-bottom:160px;}

#code2a_img{ width:265px; height:355px; background:url(../images/icon2a.png) -4px -3px no-repeat; position:fixed; right:90px; bottom:67px; cursor:pointer; display:none;
_position:absolute;_bottom:auto;_top:expression(eval(document.documentElement2a.scrollTop+document.documentElement2a.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0))); _margin-bottom:67px;}