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var url="getuser.php";
url=url+"?q="+str  ;
url=url+"&sid="+Math.random() ;
xmlHttp.open("GET",url,true);


<?php
$q=$_GET["q"];
$con = mysql_connect('localhost', 'root', 'root');
if ......

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$(document).ready(function(){
  var name=$("#name");
  name.blur(checkName);
  function checkName(){
    1. ______________________ÈçºÎ½«ÎÒµÄNameֵͨ¹ýajax·¢Ë͵½ÎÒÏëÒªµÄphpÖУ¬ÎÒÐèÒªÑéÖ¤nameÊÇ·ñºÏ·¨£¡
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}
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    {
        newRow=datatab.insertRow(datatab.rows.length);
        newRow.onmouseover=mouseover;
        newRow.onmouseout=mouseout;
&n ......

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response.Redirect("login.aspx");


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