/* ---------------------------- */
/* XMLHTTPRequest Enable */
/* ---------------------------- */
function createObject() {
	var request_type;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		request_type = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		request_type = new XMLHttpRequest();
		 }
		return request_type;
	}

var http = createObject();

/* -------------------------- */
/* LOGIN */
/* -------------------------- */
/* Required: var nocache is a random number to add to request. This value solve an Internet Explorer cache issue */
var nocache = 0;
function login() {
	// Optional: Show a waiting message in the layer with ID ajax_response
	document.getElementById('login_response').innerHTML = "Loading..."
	// Required: verify that all fileds is not empty. Use encodeURI() to solve some issues about character encoding.
	var usrn = encodeURI(document.getElementById('userLogin').value);
	var psw = encodeURI(document.getElementById('passwLogin').value);
	// Set te random number to add to URL request
	nocache = Math.random();
	// Pass the login variables like URL variable
	http.open('get', 'includes/login.php?inp_username='+usrn+'&inp_password='+psw+'&nocache = '+nocache);
	http.onreadystatechange = loginReply;
	http.send(null);
}
function loginReply() {
	if(http.readyState == 4){
		var response = http.responseText;
		if(response == 0){
			// if login fails
			document.getElementById('login_response').innerHTML = 'Login mislukt! Check naam en wachtwoord';
			// else if login is ok show a message: "Welcome + the user name".
		} else {
			document.getElementById('login_response').innerHTML = "Welkom"+response;
			window.location= "./";
			   }
	}
}