function submitCallbackForm() {
	if ($('callbackname').value.length < 3) {
		$('callbackname').setStyle('border-color','#b71111');
	}
	else
	{
		$('callbackname').setStyle('border-color','#ccc');
	}
	
	if ($('callbacknumber').value.length < 3) {
		
		$('callbacknumber').setStyle('border-color','#b71111');
	}
	else
	{
		$('callbacknumber').setStyle('border-color','#ccc');
	}
	
	if ($('callbackname').value != '' && $('callbacknumber').value != '') {
			var mySendRequest = new Ajax('/modules/mod_callback/ajax_callback.php', {
				postBody: 	{	'callbackname': $('callbackname').value,
							'callbacknumber': $('callbacknumber').value,
							'callbackreason': $('callbackreason').value
							
						}
			}).request();
			var myFx = new Fx.Style('mod_callback', 'opacity');
			myFx.start(1,0).chain(function() {
					
				$('mod_callback').setHTML('<br />Vielen Dank!');
					
			var myFx2 = new Fx.Style('mod_callback', 'opacity');
			myFx2.start(0,1);
			});
			
		} else {
			
			return false;
		
		}
	
}