var xmlHttpImage

function getWinner()
{ 
var cboSearch = document.getElementById("cboSearch").value;
var txtSearch = document.getElementById("txtSearch").value;

if(txtSearch==""){
	alert("Please insert your keyword.");
	document.getElementById("txtSearch").focus();
	return false;
}

document.getElementById("txtLoading").style.display = "block";
document.getElementById("tblSearch").style.display = "none";    

xmlHttpImage=GetXmlHttpObject();
if (xmlHttpImage==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url;
url ="getwinner.php";
url=url+"?cboSearch="+cboSearch;
url=url+"&txtSearch="+Url.encode(txtSearch);

xmlHttpImage.onreadystatechange=stateChanged;
xmlHttpImage.open("GET",url,true);
xmlHttpImage.send(null);
}

function getPage(page,txtSearch,cboSearch,SortBy,OrderBy){
	xmlHttpImage=GetXmlHttpObject();
	if (xmlHttpImage==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  } 
	var url;
	url ="getwinner.php";
	url=url+"?cboSearch="+cboSearch;
	url=url+"&txtSearch="+Url.encode(txtSearch);
	url=url+"&page="+page;
	url=url+"&SortBy="+SortBy;
	url=url+"&OrderBy="+OrderBy;

	xmlHttpImage.onreadystatechange=stateChanged;
	xmlHttpImage.open("GET",url,true);
	xmlHttpImage.send(null);
}

function stateChanged() 
{ 
if (xmlHttpImage.readyState==4)
{ 
document.getElementById("tblSearch").innerHTML = xmlHttpImage.responseText;
document.getElementById("txtLoading").style.display = "none";
document.getElementById("tblSearch").style.display = "block";      
}
}

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