var xmlHttp
				var field
				var preurl
				function setfield2(val,changefield)
				{
					if(changefield == "field2span") type1 = "country";
					else type1 = "state";
					var url = "vacationresourceajax.php";
					var param = "?"+type1+"="+val;
					field = changefield
					xmlHttp=GetXmlHttpObject()
					if (xmlHttp==null)
				  {
				  alert ("Your browser does not support AJAX!");
				  return;
				  } 
				  xmlHttp.onreadystatechange=stateChanged;
					xmlHttp.open("GET",url+param,true);
					xmlHttp.send(null);
				}
				

				
				
				function stateChanged() 
				{ 
				if (xmlHttp.readyState==4)
				{ 
				document.getElementById(field).innerHTML=xmlHttp.responseText;
				}
				if (xmlHttp.readyState==1)
				{ 
				document.getElementById(field).innerHTML="<img src=\"images/ajaxload.gif\"> Loading...";
				if(field == "field2span")
				{
					document.getElementById("field3span").innerHTML="";
				}
				}
				}
				
				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;
				}