var xmlHttp

function ReplaceContent(url) {
   xmlHttp=GetXmlHttpObject()
   if (xmlHttp==null) {
     alert ("Browser does not support HTTP Request")
     return
   } 

   xmlHttp.onreadystatechange=StateChanged 
   xmlHttp.open("GET",url+"?r="+Math.random(),true)
   xmlHttp.send(null) 
}


function GetXmlHttpObject() { 
  var objXMLHttp=null
  if (window.XMLHttpRequest) {
    objXMLHttp=new XMLHttpRequest()
  }
  else if (window.ActiveXObject) {
    objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
  }
  return objXMLHttp
} 


function StateChanged() { 
  if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
    //new Effect.Highlight('content', {startcolor:'#9d9a95', endcolor:'#FFFFFF', duration:0.5})
    new Effect.Highlight('content', {duration:0.8})
    document.getElementById("content").innerHTML=xmlHttp.responseText 
    Rounded("div#content", "#9d9a95", "#FFFFFF");
  } 

}