<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<SCRIPT LANGUAGE="JavaScript">
<!--
//全选
function allSelect(itemNameStr1,itemNameStr2){
//alert(itemNameStr1+"===="+itemNameStr2);
var allsb= document.getElementsByName(itemNameStr1);
var state = allsb[0].checked;
var itemName= document.getElementsByName(itemNameStr2);
var length = itemName.length;
if(length){
for(var i=0;i<length;i++){
itemName[i].checked=state;
}
}else{
itemName.checked=state;
}
}
//判断所有的items是否都被选中 然后来决定全选按钮是否需要被选中
function aa(itemNameStr1,itemNameStr2){
var all = document.getElementsByName(itemNameStr1);
var d = document.getElementsByName(itemNameStr2);
var len = d.length;
var b = true;
if(len==undefined){
b=d.checked;
}else{
for(var i=0; i<len; i++){
b = b&&d[i].checked;
}
}
if(b){
all[0].checked = true;
}else{
all[0].checked = false;
}
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<table>
<tr>
<td colspan="5"><INPUT TYPE="checkbox" NAME="allselectbox" onclick="javascript:allSelect('allselectbox','roleCodes')">全选</td>
</tr>
<tr>
<td><INPUT TYPE="checkbox" name="roleCodes" onclick="aa('allselectbox','roleCodes')">苹果</td>
<td><INPUT TYPE="checkbox" name="roleCodes" onclick="aa('allselectbox','roleCodes')">梨子</td>
<td><INPUT TYPE="checkbox" name="roleCodes" onclick="aa('allselectbox','roleCodes')">香蕉</td>
<td><INPUT TYPE="checkbox" name="roleCodes" onclick="aa('allselectbox','roleCodes')">樱桃</td>
<td><INPUT TYPE="checkbox" name="roleCodes" onclick="aa('allselectbox','roleCodes')">菠萝</td>
</tr>
</table>
</BODY>
</HTML>