var xmlHttp;
var container;

function ajaxPick(varPick, varField, varContainer, varURL)
{
	container = varContainer;

	document.getElementById(container).innerHTML = '<p align="center"><img src="' + varURL + '/images/loading.gif" /></p>Please Wait...';
	
	var varValue = document.getElementById(varField).value;
	/*if (varValue.length==0)
	  { 
	  document.getElementById(container).innerHTML="";
	  return;
	  }*/
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	  {
	  alert ("Browser does not support HTTP Request");
	  return;
	  }
	var url= varURL + "/index.php?p=ajax&action=" + varPick + "&value=" + varValue;
	
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	 { 
	 document.getElementById(container).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;
}