初识Ajax

<html>
<script language="JavaScript">
var req=null;
function processReqChange()
{
  if (req.readyState==4  && req.status==200)
  {
    var dobj=document.getElementById("htmlDiv")
    dobj.innerHTML=req.responseText
  }
}

function loadUrl(url)
{
  alert("fsadfsadf");
  if (window.XMLHttpRequest)
  {
     try
     {
        req=new XMLHttpRequest()
     }
     catch(e) {req=false}
  }
  else if (window.ActiveXObject)
  {
    try
    {
      req=new ActiveXObject('Msxml2.XMLHTTP');
    }
    catch(e) {req=false}
    try
    {
      req=new ActiveXObject('Microsoft.XMLHTTP');
    }
    catch(e) {req=false}
    if (req)
    {
      req.onreadystatechange=processReqChange;
      req.open('GET',url,true);
      req.send('');
    }
  }
}
var url = window.location.toString();
url = url.replace( /pat1_replace_div.html/, 'pat1_content.html' );
loadUrl(url);
</script>
<body>
  Dynamic content is shown between here:<br/>
  <div id="htmlDiv" style="border:1px solid black;padding:10px;">
  </div>
  And here.<br/>
</body>
</html>

posted on 2008-04-25 13:58  BROTHER  阅读(182)  评论(0)    收藏  举报