function check() {

	if($('user').value != "") {
	
		if($('pass').value != "") {
			
			login();
			
		} else {
			alert('Please enter a password.')
		}
	
	} else {
		alert('Please enter a user name.');
	}
}

function login() {

	$('login_message').innerHTML = "";
	
	$('loader_small_orange').style.visibility = 'visible';
	
	new Ajax('/login/login', {
		method: 'post',
		onComplete: function() {
		
			response = eval('(' + this.response.text + ')');

			$('loader_small_orange').style.visibility = 'hidden';
						
			if(response[0] == 0) {
				$('login_message').innerHTML = response[1];
			} else if(response[0] == 1) {
				
				window.location = response[1];
			}
			
		},
		data: {user: $('user').value, pass: $('pass').value}
	}).request();	
}

function checkEnter(e) {
	
	var characterCode;

	if(e && e.which){ 
		e = e;
		characterCode = e.which;
	} else {
		e = event
		characterCode = e.keyCode
	}

	if(characterCode == 13){
		check();
	} else {

	}
}