表格中两行的颜色交替显示_js

<table id=”main_table”>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
<tr>
 <td width=”100″>a</td>
 <td width=”100″>b</td>
</tr>
</table>
<script>
//
function setColor(curElement)
{
 curElement.style.backgroundColor=”#DDEEFF”;
 curElement.style.color=”#000000″;
}

function resetColor(curElement)
{
 if(curElement.rowIndex%2==0){
  curElement.style.backgroundColor=”#E7E7E7″;
 }else{
  curElement.style.backgroundColor=”#FFFFFF”;
 }
 curElement.style.color=”black”;
}

//动态产生一个层，用来控制每行颜色的变化
document.writeln(‘<div id=”onmouse” style=”display:none” ></div>’);
var sTable = document.all.main_table;//得到指定表格id
if (sTable)
 for (var i=0; i<sTable.rows.length; i++)
 {
  if(i%2==0){
   sTable.rows[i].style.backgroundColor=”#C2D8E0″;
  }else{
   sTable.rows[i].style.backgroundColor=”#ffffff”;
  }
  //调用层中的方法，改变鼠标所在行的颜色
  sTable.rows[i].onmouseover=document.all.onmouse.onmouseover;
  sTable.rows[i].onmouseout=document.all.onmouse.onmouseout;
 }

</script>

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