function clear() {
		$('input').removeClass('invalid');
		$('input[type=text]').attr('value','');
		$('input[type=password]').attr('value','');
		$('#globalMessageContainer').html('');
		$('#result').remove();
	}
		
	function register(email) {
		$('#result').remove();
		if($('#rUsername').attr('value') == '') {
			return;
		}
		$.ajax({
			url: 'http://dev.mydesire.cc/myd/registerAjax',
			type: 'POST',
			data: "email=" + email,
			beforeSend: function() {
				//$('#message').append('<img id="loader" src="/images/loading.gif" style="margin-left:5px"/>');
			},
			error: function(){
				//todo:show appropriate message on error
			},
			success: function(data){
				isChecking = false;
				$('#loader').remove();
				if(data == 'false') {
					$('#warning').append('Ungültige Email-Adresse');
				}else {
					$('#message').append('Sie erhalten bald eine Mail.');
				}
			}
		});
	}
		
	function perform(command) {
        var form = document.getElementById("form1");
        var element = document.getElementById("action");
        element.value = command;
        form.submit();
    }
    
    function switchView(from, to) {
    	clear();
    	$('#' + from).hide();
    	$('#' + to).show();
    }