请问下 运行JS 在TD上 怎么添加ID值下面的是 JS.js 文件里头的 代码<!-- js 开始 -->function MainKitchenTab(obj1) {
var obj1
var MainKitchenTabDiv = document.getElementById(obj1);
document.getElementById("MainKitchenTabDiv_2").style.display = "none";
document.getElementById("MainKitchenTabDiv_3").style.display = "none";
document.getElementById("MainKitchenTabDiv_4").style.display = "none";
document.getElementById("MainKitchenTabDiv_5").style.display = "none";
document.MainKitchenTab02.src='img/main/090728_main_kitchen_tab02_ou.gif';
document.MainKitchenTab03.src='img/main/100209_main_tab02.gif';
document.MainKitchenTab04.src='img/main/100209_main_tab03.gif';
document.MainKitchenTab05.src='img/main/090728_main_kitchen_tab05_ou.gif'; switch(obj1) {
case "MainKitchenTabDiv_2": document.MainKitchenTab02.src='img/main/090728_main_kitchen_tab02_ov.gif';break;
case "MainKitchenTabDiv_3": document.MainKitchenTab03.src='img/main/100209_main_tab02_ov.gif';break;
case "MainKitchenTabDiv_4": document.MainKitchenTab04.src='img/main/100209_main_tab03_ov.gif';break;
case "MainKitchenTabDiv_5": document.MainKitchenTab05.src='img/main/090728_main_kitchen_tab05_ov.gif';break;
} MainKitchenTabDiv.style.display = "block";
}<!-- js 结束 --><td align="left" id="MainKitchenTab02">
<a href="#">
本来是 在这里放一个 images</a>
</td><td align="left" id="MainKitchenTab03">
<a href="#">
<img src="11111_files/090728_main_kitchen_tab02_ov.gif" alt="푸드&쿠킹" name="MainKitchenTab02" border="0" id="MainKitchenTab02" /></a>
</td><td align="left" id="MainKitchenTab04">
<a href="#">
<img src="11111_files/090728_main_kitchen_tab02_ov.gif" alt="푸드&쿠킹" name="MainKitchenTab02" border="0" id="MainKitchenTab02" /></</a>
</td><td align="left" id="MainKitchenTab05">
<a href="#">
<img src="11111_files/090728_main_kitchen_tab02_ov.gif" alt="푸드&쿠킹" name="MainKitchenTab02" border="0" id="MainKitchenTab02" /></</a>
</td>
var obj1
var MainKitchenTabDiv = document.getElementById(obj1);
document.getElementById("MainKitchenTabDiv_2").style.display = "none";
document.getElementById("MainKitchenTabDiv_3").style.display = "none";
document.getElementById("MainKitchenTabDiv_4").style.display = "none";
document.getElementById("MainKitchenTabDiv_5").style.display = "none";
document.MainKitchenTab02.src='img/main/090728_main_kitchen_tab02_ou.gif';
document.MainKitchenTab03.src='img/main/100209_main_tab02.gif';
document.MainKitchenTab04.src='img/main/100209_main_tab03.gif';
document.MainKitchenTab05.src='img/main/090728_main_kitchen_tab05_ou.gif'; switch(obj1) {
case "MainKitchenTabDiv_2": document.MainKitchenTab02.src='img/main/090728_main_kitchen_tab02_ov.gif';break;
case "MainKitchenTabDiv_3": document.MainKitchenTab03.src='img/main/100209_main_tab02_ov.gif';break;
case "MainKitchenTabDiv_4": document.MainKitchenTab04.src='img/main/100209_main_tab03_ov.gif';break;
case "MainKitchenTabDiv_5": document.MainKitchenTab05.src='img/main/090728_main_kitchen_tab05_ov.gif';break;
} MainKitchenTabDiv.style.display = "block";
}<!-- js 结束 --><td align="left" id="MainKitchenTab02">
<a href="#">
本来是 在这里放一个 images</a>
</td><td align="left" id="MainKitchenTab03">
<a href="#">
<img src="11111_files/090728_main_kitchen_tab02_ov.gif" alt="푸드&쿠킹" name="MainKitchenTab02" border="0" id="MainKitchenTab02" /></a>
</td><td align="left" id="MainKitchenTab04">
<a href="#">
<img src="11111_files/090728_main_kitchen_tab02_ov.gif" alt="푸드&쿠킹" name="MainKitchenTab02" border="0" id="MainKitchenTab02" /></</a>
</td><td align="left" id="MainKitchenTab05">
<a href="#">
<img src="11111_files/090728_main_kitchen_tab02_ov.gif" alt="푸드&쿠킹" name="MainKitchenTab02" border="0" id="MainKitchenTab02" /></</a>
</td>
<td>
<a href="#"> <img /> </a>
</td>
单元格的内容就是“<a href="#"> <img /> </a>”
函数MainKitchenTab(obj1)从哪里触发呢?
switch(obj1)分明是根据不同的参数显示相应的图片。