01.<script language="JavaScript">
02. var HttPRequest = false;
03.
04. function ChkSN() {
05. HttPRequest = false;
06. if (window.XMLHttpRequest) {
07. HttPRequest = new XMLHttpRequest();
08. if (HttPRequest.overrideMimeType) {
09. HttPRequest.overrideMimeType('text/html');
10. }
11. } else if (window.ActiveXObject) {
12. try {
13. HttPRequest = new ActiveXObject("Msxml2.XMLHTTP");
14. } catch (e) {
15. try {
16. HttPRequest = new ActiveXObject("Microsoft.XMLHTTP");
17. } catch (e) {}
18. }
19. }
20.
21. if (!HttPRequest) {
22. alert('Cannot create XMLHTTP instance');
23. return false;
24. }
25.
26. var url = 'test_redirect.php';
27.
28. var pmeters = 'KSNP='+document.getElementById("tProductsn").value;
29. HttPRequest.open('POST',url,true);
30.
31. HttPRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
32. HttPRequest.setRequestHeader("Content-length", pmeters.length);
33. HttPRequest.setRequestHeader("Connection", "close");
34. HttPRequest.send(pmeters);
35.
36.
37. HttPRequest.onreadystatechange = function()
38. {
39.
40. if(HttPRequest.readyState == 3)
41. {
42. document.getElementById("mySpan").innerHTML = "Now is Loading...";
43. }
44.
45. if(HttPRequest.readyState == 4)
46. {
47. document.getElementById("mySpan").innerHTML = HttPRequest.responseText;
48. }
49.
50. }
51.
52.
53.
54.
55.
56. }
57. </script>
