<!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=utf-8" />
<title>无标题文档</title>
</head>
<script language="javascript">
//全选和全不选（第一个参数为复选框名称，第二个参数为是全选还是全不选）
function allCheck(name,boolValue) {
var allvalue = document.getElementsByName(name);
for (var i = 0; i < allvalue.length; i++) {
if (allvalue[i].type == "checkbox")
allvalue[i].checked = boolValue;
}
}
//反选 参数为复选框名称
function reserveCheck(name){
var revalue = document.getElementsByName(name);
for(i=0;i<revalue.length;i++){
if(revalue[i].checked == true)
revalue[i].checked = false;
else
revalue[i].checked = true;
}
}
</script>
<body >
<div >
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择1
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择2
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择3
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择4
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择5
<p></p>
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择6
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择7
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择8
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择9
<label><input type="checkbox" name="choice" id="choice" width="30px;"/></label>选择10
<p></p>
<a href="javascript:allCheck('choice',true)">全选</a>
<a href="javascript:allCheck('choice',false)">全不选</a>
<a href="javascript:reserveCheck('choice')">反选</a>
</div>
</body>
</html>
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