1 <SCRIPT LANGUAGE="JavaScript">
2
3 var checkflag = false;
4 function check(field)
5 {
6
7
8 if (checkflag == false)
9 {
10
11 if(field.length==null)
12 {
13
14 field.checked=true;
15 checkflag =true;
16 //return false;
17
18 }
19
20 for (i = 0; i < field.length; i++)
21 {
22
23 field[i].checked = true;
24 }
25 checkflag = true;
26 //return "false";
27 }else
28 {
29
30 if(field.length==null)
31 {
32
33 field.checked=false;
34 checkflag =false;
35 //return true;
36
37 }
38 for (i = 0; i < field.length; i++)
39 {
40 field[i].checked = false;
41 }
42 checkflag = false;
43 //return true;
44 }
45 }
46 </script>
47
48 <html>
49 <head>
50 <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
51 <title>無標題文檔</title>
52 </head>
53
54 <body>
55 <form name="form1" method="post" action="">
56 <p>
57 <input type="checkbox" name="ckbox" value="checkbox">
58 dfg </p>
59 <p>
60 <input type="checkbox" name="ckbox" value="checkbox">
61 dfg
62 </p>
63 <p><br>
64 <input type="checkbox" name="全選" onClick="this.value=check(this.form.ckbox)">
65 全選</p>
66 <p> </p>
67 </form>
68 </body>
69 </html>
70
posted on 2007-02-07 09:52
-274°C 閱讀(498)
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