var xmlHttp;

function display_retrieval_form_answer(){
	document.getElementById("retrieval_results").innerHTML='';
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  } 
	var url="includes/retrieval_form_answer.php";
	var parameters;
	parameters="?email=" + document.getElementById("emailAddress").value;
	//parameters+=document.getElementById("parameters").value;
	url+=parameters;


	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	
	/*xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("Content-length", parameters.length);
	xmlHttp.setRequestHeader("Connection", "close");*/
	
	xmlHttp.send(null);
} //End of function display_retrieval_form_answer()

function display_retrieval_result(){
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  } 
	var url="includes/retrieval_results.php";
	var parameters;
	parameters="?answer=" + document.getElementById("answer").value;
	parameters+="&email=" + document.getElementById("emailAddress").value;
	//parameters+=document.getElementById("parameters").value;
	url+=parameters;


	xmlHttp.onreadystatechange=stateChanged2;
	xmlHttp.open("GET",url,true);
	
	/*xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("Content-length", parameters.length);
	xmlHttp.setRequestHeader("Connection", "close");*/
	
	xmlHttp.send(null);
} //End of function display_retrieval_form_answer()



function stateChanged(){ 
	if (xmlHttp.readyState==4)	 
		document.getElementById("retrieval_form_answer").innerHTML=xmlHttp.responseText;	
}//End of stateChanged()

function stateChanged2(){ 
	if (xmlHttp.readyState==4)	 
		document.getElementById("retrieval_results").innerHTML=xmlHttp.responseText;	
}//End of stateChanged()



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;
}//End of GetXmlHttpObject()