var xmlHttp;

function showContent(str1,str2,str3)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request");
 return;
 }
var url="portfolioContent.php";
url=url+"?q1="+str1+"&q="+str2+"&pageno="+str3;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() 
{
	if (xmlHttp.readyState==1 || xmlHttp.readyState==2 || xmlHttp.readyState==3 )
	{
		document.getElementById("content").innerHTML = "<img src='images/loading.gif' align='absmiddle' /> Loading...";
	}
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	 { 
	 document.getElementById("content").innerHTML=xmlHttp.responseText;
	 } 
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}