
	<!-- ajax - xml http post -->
	function xmlHttpPost(targetURL, queryString , functionNotReady, functionErr, functionSuccess) {
		
		<!-- define variables -->
		var xmlHttpReq = false;
		var self = this;
		
		<!-- create new functions to be called upon AJAX post busy, errored or completed -->
		if (typeof functionNotReady != 'undefined') {
			
			var fNotReady = new Function(functionNotReady);
		}

		if (typeof functionErr != 'undefined') {
			
			var fErr = new Function(functionErr);
		}
		
		if (typeof functionSuccess != 'undefined') {
			
			var fSuccess = new Function(functionSuccess);
		}
				
		// check for mozilla / safari / ie
		if (window.XMLHttpRequest) {
			
			// mozilla / safari
			self.xmlHttpReq = new XMLHttpRequest();
			
		} else if (window.ActiveXObject) {
			
			// ie
			self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
		}
		
		<!-- open post request -->
		self.xmlHttpReq.open('POST', targetURL, true);
		
		<!-- set headers -->
		self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	
		<!-- set time out to catch server problems = 30 seconds -->	
		var requestTimer = setTimeout(function() { self.xmlHttpReq.abort(); }, 30000); 
     
		<!-- check for state change -->
		self.xmlHttpReq.onreadystatechange = function() {
			
			<!-- check for ready state change -->
			if (self.xmlHttpReq.readyState != 4) {
			
				<!-- update page -->
				fNotReady();
				
				<!-- continue checking -->
				return;
			}
			
			<!-- clear time out timer -->
			clearTimeout(requestTimer); 
				
			<!-- update page -->
			if (self.xmlHttpReq.status != 200) {
			
				<!-- inform user to problem -->
				fErr();
				
			} else {
				
				<!-- inform user of success -->
				fSuccess();
				
			}
		}
			
		<!-- post query string -->
		self.xmlHttpReq.send(queryString);
	}