html table固定表头dtd问题
[color=#FF0000]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">[/color]<html> <head> <title> New Document </title> <meta name="Generator" content="EditPlus"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <style type='text/css'>tr.locktop{ position:relative; top:expression((this.offsetParent.scrollTop>this.parentElement.parentElement.offsetTop?this.offsetParent.scrollTop-this.parentElement.parentElement.offsetTop-1:0)-1);}tr.fixTitle{ /*background: navy; color: white;*/ position: relative; top: expression(this.offsetParent.scrollTop);}</style> </head> <BODY>表头前面的内容，这些是可以滚出屏幕的，只有表头锁定。<table id=pol_table_list cellspacing=0><tr class=fixTitle><th>表头<tr><td>1<tr><td>2<tr><td>3<tr><td>4<tr><td>5<tr><td>6<tr><td>7<tr><td>8<tr><td>9<tr><td>10</table> </BODY></html>