24小时弹一次 弹窗代码

1. <script type="text/javascript">
   
2. 
   
3. //1) specify URLs to randomly select from and pop-under:
   
4. //To display a single URL, just remove all but the first entry below:
   
5. var popunder=new Array()
   
6. popunder[0]="http://www.cnlabs.net"
   
7. 
   
8. 
   
9. //2) specify popunder window features
   
10. //set 1 to enable a particular feature, 0 to disable
    
11. var winfeatures="width=800,height=510,scrollbars=1,resizable=1,toolbar=1,location=1,menubar=1,status=1,directories=0"
    
12. 
    
13. //3) Control frequency of the pop up:
    
14. //"always", for every time page loads OR
    
15. //"x hours" for once per x hours, where x is an integer (ie: 12 hours)
    
16. 
    
17. var popfrequency="24 hours"
    
18. 
    
19. ///No editing beyond here required/////
    
20. 
    
21. function get_cookie(Name) {
    
22.   var search = Name + "="
    
23.   var returnvalue = "";
    
24.   if (document.cookie.length > 0) {
    
25.     offset = document.cookie.indexOf(search)
    
26.     if (offset != -1) { // if cookie exists
    
27.       offset += search.length
    
28.       // set index of beginning of value
    
29.       end = document.cookie.indexOf(";", offset);
    
30.       // set index of end of cookie value
    
31.       if (end == -1)
    
32.          end = document.cookie.length;
    
33.       returnvalue=unescape(document.cookie.substring(offset, end))
    
34.       }
    
35.    }
    
36.   return returnvalue;
    
37. }
    
38. 
    
39. function resetcookie(){
    
40. var expireDate = new Date()
    
41. expireDate.setHours(expireDate.getHours()-10)
    
42. document.cookie = "tcpopunder=;path=/;expires=" + expireDate.toGMTString()
    
43. }
    
44. 
    
45. function loadornot(){
    
46. if (get_cookie('tcpopunder')==''){
    
47. loadpopunder()
    
48. var expireDate = new Date()
    
49. expireDate.setHours(expireDate.getHours()+parseInt(popfrequency))
    
50. document.cookie = "tcpopunder="+parseInt(popfrequency)+";path=/;expires=" + expireDate.toGMTString()
    
51. }
    
52. }
    
53. 
    
54. function loadpopunder(){
    
55. win2=window.open(popunder[Math.floor(Math.random()*(popunder.length))],"",winfeatures)
    
56. win2.blur()
    
57. window.focus()
    
58. }
    
59. 
    
60. if (popfrequency=="always"){
    
61. resetcookie()
    
62. loadpopunder()
    
63. }
    
64. else{
    
65. if (get_cookie('tcpopunder')!=parseInt(popfrequency))
    
66. resetcookie()
    
67. loadornot()
    
68. }
    
69. </script>

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