tr、div的隱藏與顯示

http://www.169shop.cn/lhl/more.asp?name=hailan9988&id=1191
http://hi.baidu.com/jcsea/blog/item/604c5cd104caaad1572c84aa.html
http://blog.csdn.net/fatfoxz/archive/2007/12/08/1924421.aspx

tr的顯示與隱藏

document.getElementByIdx("tr的id").style.display = "block"; // 显示tr
document.getElementByIdx("tr的id").style.display = "none";  // 不显示tr

tbody的顯示與隱藏

<tbody id="hidedTbody" style="display:none">

<tbody id="hidedTbody" style="display:block">

div的顯示與隱藏

<div style="visibility:hidden">

<div style="visibility:visible">