// JavaScript Document
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;
}

function stateChanged(){ 


	if (xmlHttp.readyState==4){
		//alert("Ok Till");
		document.getElementById("greetimgcontent").innerHTML=xmlHttp.responseText;
	}
}

function showgreeting(cat,imgid)
{
	//alert("here");
xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
  		alert ("Your browser does not support AJAX!");
  		return;
  	}
  	var url="";
  	 	url="getimage.php?cat="+cat+"&imgid="+imgid;
		//alert(url);
		xmlHttp.onreadystatechange=stateChanged;
		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);	
		return false;
}