<html> <script language="javascript" > var CheckFreq=1;//隊列檢查頻率，默認1秒檢查一次 var bRun=false;//防止同一時間同時運行２個程序 function RunUrl(strUrl,strFreq) { this.url=strUrl;//運行的URL this.freq=strFreq;//運行頻率 this.lastrun='';//上次運行時間 } var RunQueue = new Array(); function AddRun(strUrl,strFreq)//添加Run { if(strUrl==''||strFreq=='')return RunQueue[RunQueue.length]=new RunUrl(strUrl,strFreq) } function Run(url)//運行url { var xmlHttp; if (window.XMLHttpRequest)xmlHttp = new XMLHttpRequest(); else if (window.ActiveXObject)xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); xmlHttp.onreadystatechange = function(){bRun=false;} xmlHttp.open("GET", url, true); xmlHttp.send(null); bRun=true; } function CheckRun()//檢查隊列 { var dtNow=new Date(),objRun; var tNow=dtNow.getTime(); for(var i=0;i<RunQueue.length;i++) { objRun=RunQueue[i]; if(objRun.lastrun=='')objRun.lastrun=tNow; if(!bRun&&(objRun.freq==0||(tNow-objRun.lastrun)>objRun.freq*1000)) { objRun.lastrun=tNow; Run(objRun.url); } } } AddRun('http://publish.sina.com.cn/poll.php?p_id=413&t_id=119',10); setInterval('CheckRun()',CheckFreq*1000);//setInterval </script>
<script language="javascript" > <!-- function clock(){ i=i-1 document.title="After "+i+" minitues,this window will closed self!"; if(i>0)setTimeout("clock();",20000); else {window.opener=null;self.close();} } var i=2 clock(); --> </script></html>
