.hintcss{
padding:8px;
background-color: #eefaff;
border: 1px solid #bbe1f1;
text-align: center;
line-height: 40px;
font-size: 12px;
font-weight: bold;
z-index:999;
width: 310px;
height: 210px;
left:550px;
top:250px;
overflow: visible;
position: absolute;
margin-left:-150px!important;/*FF IE7 该值为本身宽的一半 */
margin-top:-60px!important;/*FF IE7 该值为本身高的一半*/
margin-top:0px;
position:fixed!important;/* FF IE7*/
_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*/
}


.btn {
   BORDER-RIGHT: #7b9ebd 1px solid; PADDING-RIGHT: 2px; BORDER-TOP: 
#7b9ebd 1px solid; PADDING-LEFT: 2px; FONT-SIZE: 12px; FILTER: 
progid:DXImageTransform.Microsoft.Gradient(GradientType=0, 
StartColorStr=#ffffff, EndColorStr=#cecfde); BORDER-LEFT: #7b9ebd 
1px solid; CURSOR: hand; COLOR: black; PADDING-TOP: 2px; 
BORDER-BOTTOM: #7b9ebd 1px solid
}

.hintcss_update{
padding:8px;
background-color: #ffffff;
border: 1px solid #ffffff;
text-align: center;
line-height: 40px;
font-size: 12px;
font-weight: bold;
z-index:999;
width: 550px;
height: 250px;
left:500px;
top:250px;
overflow: visible;
position: absolute;
margin-left:-150px!important;/*FF IE7 该值为本身宽的一半 */
margin-top:-60px!important;/*FF IE7 该值为本身高的一半*/
margin-top:0px;
position:fixed!important;/* FF IE7*/
_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*/
}