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Îļþ1.ajax_page.php
<script type="text/javascript" language="javascript">
 function createXMLHttp()
 {
  var browser=navigator.appName; //get the current browser
  if(browser=="Microsoft Internet Explorer")
  {
   xmlHttp=new ActiveXObject("Microsoft.XMLHttp"); //if is IE
  }
  else xmlHttp=new XMLHttpRequest();
 }
 function changePage(url)
 {
  xmlHttp.onreadystatechange=newPage;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
 }
 function newPage()
 {
  if(xmlHttp.readyState==4)
  {
   if(xmlHttp.status==200)
   {
    document.getElementById("newPage").innerHTML=xmlHttp.responseText;
   }
  }
 }
 function doPage(url)
 {
  var xmlHttp=false;
  createXMLHttp();
  document.getElementById("newPage").innerHTML="ÕýÔÚ¶ÁÈ¡Êý¾Ý...";
  changePage(url);
 }
</script>
<style type="text/css">
#pageWay{
 background-color:#b5d6e6; background-image:url("tab_19.gif");  width:100%; font-size:15px; padding:5px;
}
span{
 color:red; font-weight:700;
}
.one{
  width:37px; height:15px;
}
.two{
 width:43px; height:15px;
}
img{
 border:0px;
}
</style>
<div id="newPage">
<?php
  include "database.class.php";
  include "page.class.php";
  $db=new database();
  $data_sql="SELECT `exptime`,`realdat`,`predat` from `labrec`";
   $data_res=$db->query($data_sql) or die($db->error());
   $data_nums=$db->num_rows($data_res); //Çó³ö×ܵÄÊý¾ÝÌõÊý
   if($data_nums)
   {
 &nbs


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