*{ padding:0px; margin:0px;}
*html{background-image:url(about:blank);background-attachment:fixed;}
#ebook,#code,#code_hover,#gotop{ z-index:86;width:50px; height:60px; 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)));
}
#ebook{ background-position:-276px -5px; bottom:143px; _margin-bottom:143px; }
#ebook:hover { background-position:-160px -5px; bottom:143px; _margin-bottom:143px; }
#code{ background-position:-276px -68px; bottom:80px; _margin-bottom:80px; }
#code_hover{ background-position:-214px -5px; bottom:80px; _margin-bottom:80px;}
#gotop{ background-position:-276px -131px; bottom:17px; _margin-bottom:17px;} 
#gotop:hover { background-position:-106px -5px; bottom:17px; _margin-bottom:17px; }
#code_img{ z-index:88;width:220px; height:250px; background:url(../images/icon.png) -54px -108px no-repeat; position:fixed; right:83px; bottom:17px; 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:17px;}