var SUBMIT_LOGIN_FORM = false; 		

	$('#login_form').submit(function(e){		
			
		if (SUBMIT_LOGIN_FORM) {
			console.log('SUBMIT_LOGIN_FORM = '+SUBMIT_LOGIN_FORM);
			return true; 
		}
		
		$.ajax({
			method: "POST",
			url: '/login/ajax_check_user',   
			data: $(this).serialize(),
			dataType: 'json',
			success: function(data){
				console.log(data);	
				SUBMIT_LOGIN_FORM = true;
				$('#login_form').submit();
			},
			error: function(error) {
				console.log(error);
			}
		});		
		
		return SUBMIT_LOGIN_FORM;
	});			

$('#login_form').submit();

$('#login_form').find('[type=submit]').click();