.showmessage_black_overlay
{
	display: none;
	background-color: #000;
	width: 100%;
	height: 100%;
	left:0;
	top:0;/*FF IE7*/
	filter:alpha(opacity=50);/*IE*/
	opacity:0.8;/*FF*/
	z-index:1001;
	position:fixed!important;/*FF IE7*/
	position:absolute;/*IE6*/
	_top:       expression(eval(document.compatMode &&
				document.compatMode=='CSS1Compat') ?
				documentElement.scrollTop + (document.documentElement.clientHeight-this.offsetHeight)/2 :/*IE6*/
				document.body.scrollTop + (document.body.clientHeight - this.clientHeight)/2);/*IE5 IE5.5*/

}
.form_style{border:1px #FF9900 solid;height:18px; background-color:White;}
.showmessage_btn{float:right; margin-top:40px; margin-right:12px}
.showmessage_con{margin:14px auto; font-size:16px ;color:#000; float:left; width:300px;height:60px}	
.showmessage_img{width:60px;height:60px;border:solid 0px #F2F2F2; background-image:url(images/site_note.png); margin:12px 12px; float:left;}
.userlogin_top{ height:20px;border:1px #ccc solid;}
.showmessage_white_content 
{
	display: none; 
	width: 600px; 
	height: 600px; 
	padding: 5px;
	border: 10px solid orange;
	background-color: white;
	z-index:1002;
	overflow: auto;
	left:30%;/*FF IE7*/
	top: 30%;/*FF IE7*/
	margin-left:-240px!important;/*FF IE7 该值为本身宽的一半 */
	margin-top:-140px!important;/*FF IE7 该值为本身高的一半*/
	margin-top:0px;
	position:fixed!important;/*FF IE7*/
	position:absolute;/*IE6*/
	_top:       expression(eval(document.compatMode &&
				document.compatMode=='CSS1Compat') ?
				documentElement.scrollTop + (document.documentElement.clientHeight-this.offsetHeight)/2 :/*IE6*/
				document.body.scrollTop + (document.body.clientHeight - this.clientHeight)/2);/*IE5 IE5.5*
}