function nieuwsbrief() {

	var js_msg1 = "Gelukt! Je emailadres is ontvangen!";
	var js_msg2 = "Gelieve een geldig emailadres in te vullen.";
	var js_msg3 = "Probleem : dit emailadres is reeds ingeschreven. ";
	var email = window.document.win_gratis_toegang.email.value;
	var refid = window.document.win_gratis_toegang.refid.value;
	var currentTime = new Date();
	var ustamp = currentTime.getTime();
	var http;
	var browser = navigator.appName;
	var get_data = "ajax_nieuwsbrief.php?email="+email+"&refid="+refid+"&"+ustamp;

	if ( browser == 'Microsoft Internet Explorer' )
		http = new ActiveXObject("Microsoft.XMLHTTP");
	else
		http = new XMLHttpRequest();
	
	
	http.onreadystatechange = function() {
		if ( http.readyState == 4 ) {
			var response = http.responseText;

			if(response == 1) { alert(js_msg1); } 
			if(response == 0) { alert(js_msg2); } 
			if(response == -1) { alert(js_msg3); } 
			if(response == -2) { alert(js_msg2); } 

		} //end-if
	}; //end-fnuc

	http.open("GET", get_data, true);
	http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");  
	http.send(null);

} //end-func

function logon() {
	var email = window.document.logon_form.email.value;
	var pwd = window.document.logon_form.pwd.value;
	
	var js_msg1 = "Je wordt nu ingelogged.";
	var js_msg2 = "Aanmelden mislukt!\nDeze login is niet geldig.";
	var js_msg3 = "Aanmelden mislukt!\nGelieve je login informatie na te kijken.";

	var time = new Date().getTime().toString();
	var http;
	var browser = navigator.appName;
	var get_data ="ajax_logon.php?email="+email+"&pwd="+pwd+"&"+time;

	if ( browser == 'Microsoft Internet Explorer' )
		http = new ActiveXObject("Microsoft.XMLHTTP");
	else
		http = new XMLHttpRequest();
	
	http.onreadystatechange = function() {
		if ( http.readyState == 4 ) {
			var response = http.responseText;
			if(response == 1) alert(js_msg1);
			if(response == 2) alert(js_msg2);
			if(response == 3) alert(js_msg3);
		} //end-if
	}; //end-fnuc

	http.open("GET", get_data, true);
	http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");  
	http.send(null);

} //end-func