<style type="text/css">
table{
color:#565;
font:12px Arial;
}
td{
background:#dfc;
border-bottom:2px solid #b3de94;
border-top:3px solid #ffffff;
padding:9px;
}
td:hover,td.hover{
background-color:#595;
color:#fff;
}
</style>
<body>
<table summary="book list">
<caption>Book List</caption>
<tr>
<td>Title</td>
<td>ID</td>
<td>Contry</td>
<td>Price</td>
<td>Download</td>
</tr>
<tr>
<td>dd</td>
<td>ddddd</td>
<td>ddddd</td>
<td>ddddd</td>
<td>ddddd</td>
</tr>
<tr>
<td>ff</td>
<td>fffff</td>
<td>fffff</td>
<td>fffff</td>
<td>fffff</td>
</tr>
<tr>
<td>rr</td>
<td>rrrrr</td>
<td>rrrrr</td>
<td>rrrrr</td>
<td>rrrrr</td>
</tr>
<tr>
<td>ee</td>
<td>eeeee</td>
<td>eeeee</td>
<td>eeeee</td>
<td>eeeee</td>
</tr>
</table>
<script language="javascript">
var cells = document.getElementsByTagName(\'td\');//rows是一个行的数组，包含当前页面中的所有行
for(var i=0;i<cells.length;i++)
{
cells[i].onmouseover=function()
{
this.className=\'hover\';
//上变色
for(var j=0;j<cells.length;j++)
{
if(cells[j]==this)
{
cells[j%5].className=\'hover\';
//左变色
cells[j-j%5].className=\'hover\';
}
}
}
cells[i].onmouseout=function()
{
this.className=\'\';
//上恢复
for(var j=0;j<cells.length;j++)
{
if(cells[j]==this)
{
cells[j%5].className=\'\';
//左恢复
cells[j-j%5].className=\'\';
}
}
}
}
</script>
</body>