var nowLoading = false;
var requests = new Array();

function xmlhttpPost(strURL, strArgs, divId) {
	var xmlHttpReq = false;
	var self = this;
	// Mozilla/Safari
	if (window.XMLHttpRequest) {
		self.xmlHttpReq = new XMLHttpRequest();
	}
	// IE
	else if (window.ActiveXObject) {
		self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
	}
	self.xmlHttpReq.open('POST', strURL, true);
	self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');

	if (divId == false) {
		self.xmlHttpReq.onreadystatechange = function() {
			if (self.xmlHttpReq.readyState == 4) {
				var responseText = self.xmlHttpReq.responseText;
//				self.nowLoading = false;
//				self.processRequests();
				eval(responseText);
//				alert(self.xmlHttpReq.responseText);
//				document.write(self.xmlHttpReq.responseText);
				self.nowLoading = false;
				self.processRequests();
			}
		}
	} else {
		self.xmlHttpReq.onreadystatechange = function() {
			if (self.xmlHttpReq.readyState == 4) {
				var responseText = self.xmlHttpReq.responseText;
//				self.nowLoading = false;
//				self.processRequests();
				updatepage(responseText, divId);
//				alert(self.xmlHttpReq.responseText);
//				document.write(self.xmlHttpReq.responseText);
				self.nowLoading = false;
				self.processRequests();
			}
		}
	}

	self.xmlHttpReq.send(strArgs);
//	document.getElementById(divId).innerHTML = "<b>Loading...</b>";
}

function updatepage(str, divId){
	document.getElementById(divId).innerHTML = str;
}

function insertTable(divId, replace, table, args) {
	if (replace) {
		for (var i=requests.length-1; i>=0; i--) {
			if (requests[i][0] == divId && requests[i][1] == table) {
				requests.splice(i, 1);
			}
		}
	}
	this.requests.push(new Array(divId, table, args));
	this.processRequests();
}

function processRequests() {
	if (!this.nowLoading) {
		if (this.requests.length > 0) {
			var request = this.requests.shift();

			var divId = request[0];
			var table = request[1];
			var args  = request[2];

			this.nowLoading = true;
			xmlhttpPost('http://m.nieuwslijst.nl/js/req.php', 'type=' + table + '&' + args, divId);		}
	}
}