1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <title> new document </title>
5 <meta name="generator" content="editplus" />
6 <meta name="author" content="" />
7 <meta name="keywords" content="" />
8 <meta name="description" content="" />
9 <script type="text/javascript">
10 function test(sta){
11 var chk = document.getElementsByTagName('input');
12 for (var i=0;i<7 ;i++ ){
13 chk[i].checked= sta;
14
15 }
16 }
17 </script>
18 </head>
19
20 <body>
21 <input type="checkbox" value="" /><br/>
22 <input type="checkbox" value="" /><br/>
23 <input type="checkbox" value="" /><br/>
24 <input type="checkbox" value="" /><br/>
25 <input type="checkbox" value="" /><br/>
26 <input type="checkbox" value="" /><br/>
27 <input type="checkbox" value="" /><br/>
28
29 <input type="button" value="全选"onclick="test('checked');">
30 <input type="button" value="全不选"onclick="test('');">
31 </body>
32 </html>
