var http_request = false;
function makePOSTRequest(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) {
	 http_request = new XMLHttpRequest();
	 if (http_request.overrideMimeType) {
		http_request.overrideMimeType('text/html');
	 }
  } else if (window.ActiveXObject) {
	 try {
		http_request = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request) {
	 alert('Cannot create XMLHTTP instance');
	 return false;
  }
  
  http_request.onreadystatechange = alertContents;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}

function alertContents() {
  if (http_request.readyState == 4) {
	 if (http_request.status == 200) {
		result = http_request.responseText;
		parseAJAXResult(result);
	 } else {
		parseAJAXResult('We had an error while resolving your request');
	 }
  }
}

function loadURL(url){
	makePOSTRequest(url, '');
}

function Post(url,array) {
	var content = '';
	var temp = '';
	for(i in array){
		temp = array[i].replace('&','char(amp)');
		content += i + '=' + temp + '&';
	}
	content = content.substring(0,content.length - 1);
	makePOSTRequest(url, content);
}

function PostForm(url,form){
	// ff iets nieuw om checkboxen te laten werken
	var myForm = document.getElementById(form);
	var content = '';
	for(i = 0; i < myForm.childNodes.length; i++) {
		var myElement = myForm.childNodes[i];
		if (myElement.tagName == "input"){
			if (myElement.type == "text")content += myElement.name + "=" + myElement.value + "&";
			if (myElement.type == "checkbox" && myElement.checked) content += myElement.name + "=" + myElement.value + "&";
			if (myElement.type == "radio" && myElement.checked) content += myElement.name + "=" + myElement.value + "&";
			
			if (myElement.type == "checkbox") alert(myElement.name + "=" + myElement.value + '(' + myElement.checked + ')');
		}   
		if (myElement.tagName == "select") content += myElement.name + "=" + myElement.options[myElement.selectedIndex].value + "&";
	}
	makePOSTRequest(url, content);
}