var ajax_debug_mode = false;
		//var ajax_debug_mode = true;
		
		var ajax_request_type = "POST";
		var ajax_target_id = "";
		var ajax_failure_redirect = "";
		
		function ajax_debug(text) {
			if (ajax_debug_mode)
				alert(text);
		}
		
 		function ajax_init_object() {
 			ajax_debug("ajax_init_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)
				ajax_debug("Could not create connection object.");
			return A;
		}
		
		var ajax_requests = new Array();
		
		function ajax_cancel() {
			for (var i = 0; i < ajax_requests.length; i++) 
				ajax_requests[i].abort();
		}
		
		function ajax_do_call(func_name, args) {
			var i, x, n;
			var uri;
			var post_data;
			var target_id;
			
			ajax_debug("in ajax_do_call().." + ajax_request_type + "/" + ajax_target_id);
			target_id = ajax_target_id;
			if (typeof(ajax_request_type) == "undefined" || ajax_request_type == "") 
				ajax_request_type = "GET";
			
			
			
			uri = "includes/ajaxprocess.php";
			
			
			if (ajax_request_type == "GET") {
			
				if (uri.indexOf("?") == -1) 
					uri += "?rs=" + encodeURIComponent(func_name);
				else
					uri += "&rs=" + encodeURIComponent(func_name);
				uri += "&rst=" + encodeURIComponent(ajax_target_id);
				uri += "&rsrnd=" + new Date().getTime();
				
				for (i = 0; i < args.length-1; i++) 
					uri += "&rsargs[]=" + encodeURIComponent(args[i]);

				post_data = null;
			} 
			else if (ajax_request_type == "POST") {
				post_data = "rs=" + encodeURIComponent(func_name);
				post_data += "&rst=" + encodeURIComponent(ajax_target_id);
				post_data += "&rsrnd=" + new Date().getTime();
				
				
				for (i = 0; i < args.length-1; i++) 
					
					post_data = post_data + "&rsargs[]=" + encodeURIComponent(args[i]);
			}
			else {
				alert("Illegal request type: " + ajax_request_type);
			}
			
			x = ajax_init_object();
			if (x == null) {
				if (ajax_failure_redirect != "") {
					location.href = ajax_failure_redirect;
					return false;
				} else {
					ajax_debug("NULL ajax object for user agent:\n" + navigator.userAgent);
					return false;
				}
			} else {
				x.open(ajax_request_type, uri, true);
				 //window.open(post_data);
				
				ajax_requests[ajax_requests.length] = x;
				
				if (ajax_request_type == "POST") {
					x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
					x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				}
			
				x.onreadystatechange = function() {
					if (x.readyState != 4) 
						return;

					ajax_debug("received " + x.responseText);
				
					var status;
					var data;
					var txt = x.responseText.replace(/^\s*|\s*$/g,"");
					status = txt.charAt(0);
					data = txt.substring(2);

					if (status == "") {
						// let's just assume this is a pre-response bailout and let it slide for now
					} else if (status == "-") 
						alert("Error: " + data);
					else {
						if (target_id != "") 
							document.getElementById(target_id).innerHTML = eval(data);
						else {
							try {
								var callback;
								var extra_data = false;
								if (typeof args[args.length-1] == "object") {
									callback = args[args.length-1].callback;
									extra_data = args[args.length-1].extra_data;
								} else {
									callback = args[args.length-1];
								}
								callback(eval(data), extra_data);
							} catch (e) {
								ajax_debug("Caught error " + e + ": Could not eval " + data );
							}
						}
					}
				}
			}
			
			ajax_debug(func_name + " uri = " + uri + "/post = " + post_data);
			x.send(post_data);
			ajax_debug(func_name + " waiting..");
			delete x;
			return true;
		}