<table width="75%" border="0">
<tr>
<td background="0.jpg">1</td>
<td background="0.jpg">2</td>
<td background="0.jpg">3</td>
</tr>
</table>
这样表格 请怎么写 点 1 的时候 变成 <table width="75%" border="0">
<tr>
<td background="1.jpg">1</td>
<td background="0.jpg">2</td>
<td background="0.jpg">3</td>
</tr>
</table>点 2 的时候 变成 <table width="75%" border="0">
<tr>
<td background="0.jpg">1</td>
<td background="1.jpg">2</td>
<td background="0.jpg">3</td>
</tr>
</table>
点 3 的时候 变成 <table width="75%" border="0">
<tr>
<td background="0.jpg">1</td>
<td background="0.jpg">2</td>
<td background="3.jpg">3</td>
</tr>
</table>
<tr>
<td background="0.jpg">1</td>
<td background="0.jpg">2</td>
<td background="0.jpg">3</td>
</tr>
</table>
这样表格 请怎么写 点 1 的时候 变成 <table width="75%" border="0">
<tr>
<td background="1.jpg">1</td>
<td background="0.jpg">2</td>
<td background="0.jpg">3</td>
</tr>
</table>点 2 的时候 变成 <table width="75%" border="0">
<tr>
<td background="0.jpg">1</td>
<td background="1.jpg">2</td>
<td background="0.jpg">3</td>
</tr>
</table>
点 3 的时候 变成 <table width="75%" border="0">
<tr>
<td background="0.jpg">1</td>
<td background="0.jpg">2</td>
<td background="3.jpg">3</td>
</tr>
</table>
<script type="text/javascript">
var cur;
function doit(obj){
if(cur == obj) return;
if(cur!=null) cur.style.background = "url(0.jpg)";
obj.style.background = "url(1.jpg)";
cur = obj;
}
</script> <table width="75%" border="0">
<tr>
<td background="0.jpg" onclick="doit(this)">1 </td>
<td background="0.jpg" onclick="doit(this)">2 </td>
<td background="0.jpg" onclick="doit(this)">3 </td>
</tr>
</table>
<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>
<script type="text/javascript">
window.onload = function(){
var oTDs = document.getElementsByTagName('td');
for(var i = 0; i < oTDs.length; i++){(function(obj,i){
obj.onclick = function(){
if(obj.background == '0.jpg'){
obj.background = '1.jpg';
alert(obj.background);
}else{
obj.background = '0.jpg';
}
}
}(oTDs[i],i))
}
};
</script>
</head><body>
<table width="75%" border="0">
<tr>
<td background="0.jpg">1 </td>
<td background="0.jpg">2 </td>
<td background="0.jpg">3 </td>
</tr>
</table>
</body>
</html>