css表头固定样式的方法

<style type="text/css">
/*表头样式*/
.scll {
position: relative;
top: expression(this.offsetParent.scrollTop);
//background: url(../img/tab_15.gif) repeat-x left;
background-color: #BCF4EC;
text-align: center;
vertical-align: middle;
text-indent: 5px;
}

/*div样式*/
.h_500 {
width: 100%;
overflow: auto;
height: 80%;/**根据具体的屏幕分辨率调整*/
border: 0px;
}

/*细线表格*/
.TABLE {
margin-top: 0px;
margin-bottom: 3px;
margin-bottom: 3px;
border-top: 0px;
border-bottom: 1px solid silver;
}
</style>