简单问题:背景显示不出来,为什么?
mint 2004-12-30 01:34:09 <HTML>
<HEAD>
<TITLE> New Document </TITLE>
</HEAD>
<BODY topmargin="0" leftmargin="0" onselectstart="return false" scroll=no oncontextmenu="return false">
<table id="tb1" width="100%" border="0" cellspacing="0" cellpadding="0" >
<tr>
<td>Hello,world</td>
</tr>
<tr>
<td>
</td>
</tr>
</table>
<script LANGUAGE=javascript>
if (screen.availWidth==1024){
document.tb1.background="1024.jpg"
}else{
document.tb1.background="800.jpg"
}
</script>
</body>
</html>