01.<head>
02.<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
03.<title>Untitled Document</title>
04.<script language="javascript">
05.function CheckIPAddress(objInput){
06.var reString = '^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$';
07.var txt = document.getElementById(objInput);
08.
09.var re = new RegExp(reString);
10.if(!txt.value.match(re)){
11.alert('รูปแบบของ ip address ไม่ถูกต้อง');
12.}else{
13.alert('รูปแบบของ ip address ถูกต้อง');
14.form2.submit();
15.}
16.}
17.</script>
18.</head>
19.<body>
20.<form id="form2" name="form2" method="post" action="add.php">
21. <table width="500" border="0" align="center">
22.
23. <tr>
24. <td width="184" height="38">Reguester name</td>
25. <td width="14" align="center">:</td>
26. <td width="319"><label for="re_name"></label>
27. <input type="text" name="re_name" id="re_name" /></td>
28. </tr>
29. <tr>
30.<td height="38">IP Address</td>
31. <td align="center">:</td>
32. <td><label for="textfield"></label>
33. <label for="ip"></label>
34. <input type="text" name="ip" id="ip" />
35.
36. </tr>
37. <tr>
38. <td height="40">Computer name</td>
39. <td align="center">:</td>
40. <td><label for="com_name"></label>
41. <input type="text" name="com_name" id="com_name" /></td>
42. </tr>
43. <tr>
44. <td height="39">Mac address</td>
45. <td align="center">:</td>
46. <td><label for="mac"></label>
47. <input type="text" name="mac" id="mac" /></td>
48. </tr>
49. <tr>
50. <td height="35">From</td>
51. <td align="center">:</td>
52. <td><label for="textfield5"></label>
53. <input type="text" name="start" id="start" /></td>
54. </tr>
55. <tr>
56. <td height="40">To</td>
57. <td align="center">:</td>
58. <td><label for="textfield6"></label>
59. <input type="text" name="finished" id="finished" /></td>
60. </tr>
61. <tr>
62. <td>Remark</td>
63. <td align="center">:</td>
64. <td><label for="remark"></label>
65. <label for="remark"></label>
66. <textarea name="remark" id="remark" cols="45" rows="5"></textarea></td>
67. </tr>
68. </table>
69.<input type="button" name="button" id="button" value="บันทึก" onclick="CheckIPAddress('ip')" />
70.</form>
71.</body>
