var debug_mode = false;
var loading_mode = true;
var return_data = "";


function PAdebug(msg){
	if(debug_mode){
		alert(msg);
	}
}

function create_XML_object() {
	PAdebug("create_XML_object() called..")

	var A;
   
	var msxmlhttp = new Array(
	//'Msxml2.XMLHTTP.5.0',
	'Msxml2.XMLHTTP.4.0',
	'Msxml2.XMLHTTP.3.0',
	'Msxml2.XMLHTTP',
	'Microsoft.XMLHTTP');
	for (var i = 0; i < msxmlhttp.length; i++) {
		try {
			A = new ActiveXObject(msxmlhttp[i]);
		} catch (e) {
			A = null;
		}
	}
	
    

	if(!A && typeof XMLHttpRequest != "undefined")
	A = new XMLHttpRequest();
	if (!A)
	PAdebug("Could not create connection object.");
	return A;
}
xmlHttp = create_XML_object();
function process(request_type,openurl,datas,post_data1,block)
{

			if(loading_mode){
				document.getElementById('loading').style.display = "";
			}
	PAdebug("process s");
	if (openurl.indexOf("?") > 0)
                {
                    openurl += "&randnum=" + Math.random();
                }
                else
                {
                    openurl += "?randnum=" + Math.random();
                }
	urls = openurl;	
	
	PAdebug(datas);
	return_data = datas;
	if (typeof(request_type) == "undefined" || request_type == "")
		request_type = "GET";
	if (request_type == "GET") {
		post_data = null;
		PAdebug(urls);
	}
	else if (request_type == "POST") {
		post_data = post_data1;
	}
	else {
		PAdebug("Illegal request type: " + request_type);
	}

	xmlHttp.open(request_type, urls, true);
	
	if (request_type == "POST") {
		xmlHttp.setRequestHeader("Method", "POST " + urls + " HTTP/1.1");
		xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	}
	xmlHttp.onreadystatechange = handleServerResponse;
	xmlHttp.send(post_data);
	

    
}

function handleServerResponse()
{

	if(xmlHttp.readyState == 1) {
		if(loading_mode){
			document.getElementById('loading').style.display = "";
		}
		
	}
	if (xmlHttp.readyState == 4)
	{
		if (xmlHttp.status == 200)
		{
			xmlResponse = xmlHttp.responseText;
			//alert(xmlResponse);
			//PAdebug(xmlResponse);
			PAdebug(return_data);
			//eval(xmlResponse);
			//document.getElementById(return_data).value = "";
			
			
			
			
			if(xmlResponse!=""){

				PAdebug(xmlResponse);
		
				/*if(document.getElementById(return_data).style.display == "none"){
				document.getElementById(return_data).style.display = "block";
				}else{
				document.getElementById(return_data).style.display = "none";
				};*/
			
				document.getElementById(return_data).innerHTML = xmlResponse;

				//eval(xmlResponse);
			}else{
				document.getElementById('error_data').innerHTML = '<font color=red>Error!</font>';
			}

			if(loading_mode){
				document.getElementById('loading').style.display = "none";
			}
		}
		else
		{
			PAdebug("There was a problem accessing the server: " + xmlHttp.statusText);
		}
	}
}