title: beginner - AJAX false and true difference?
body: <pre><code>function loadxmldoc()
  {
    var xmlhttp;
    if (window.XMLHttpRequest)
    {
       xmlhttp=new XMLHttpRequest();
    }
    else
    {
       xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  
   xmlhttp.onreadystatechange=function()
   {
     if (xmlhttp.readyState==4 &amp;&amp; xmlhttp.status==200)
      {
        document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
      } 
   }
  
   xmlhttp.open("GET","ajax_info.php?fname=sakthi&amp;lname=karthiga",false);
  
   xmlhttp.send();
  }
  </code></pre>
  
  <p>ajax_info.php</p>
  
  <pre><code>&lt;?php
    echo( "hello"."&lt;br&gt;".$_GET["fname"].$_GET["lname"]); 
  ?&gt;
  </code></pre>
  
  <p>in this code i change the ajax status as FALSE but stil working same as TRUE 
  can u tell whats the difference b/w TRUE and false? if i change false what will going on serverside</p>