貌似CSDN里的都是专业人士，高手可以掠过了，呵呵。
一下是源码：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<body>
<script language="javascript">
i=0
var c=new Array(3)
c[0]="red"
c[1]="yellow"
c[2]="blue"
c[3]="pink"
c[4]="black"
c[5]="white"
c[6]="green"
function flash(){
a.style.borderColor=c[i]
i++
if(i>6)
i=0;
setTimeout("flash()",500)
}
</script>
<table width="392" height="240" border="5" id="a" >
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
</table>
<script language="javascript">flash()</script>
</body>
</html>
