$(function() {
//Variables
var name = $("#login-referenz"),
	password = $("#password-referenz"),
	allFields = $([]).add(name).add(password),
	tips = $(".validateTips");
//Check length of Inputs
function checkLength(o,n,min,max) {

	if ( o.val().length > max || o.val().length < min ) {
		o.addClass('ui-state-error');
		return false;
	} else {
		return true;
	}

}
//Check regular expressions
function checkRegexp(o,regexp,n) {

	if ( !( regexp.test( o.val() ) ) ) {
		o.addClass('ui-state-error');
		updateTips(n);
		return false;
	} else {
		return true;
	}

}
//Form
$("#dialog-referenz").dialog({						 
							
	autoOpen: false,	
	show: 'drop',	
	hide: 'drop', 
	resizeable:false, 
	width:270, 
	draggable:false,
	modal: true,
	buttons: {
		'Einloggen': function() {
			var bValid = true;
			allFields.removeClass('ui-state-error');

			bValid = bValid && checkLength(name,"username",3,16);
			bValid = bValid && checkLength(password,"password",5,16);

			bValid = bValid && checkRegexp(name,/^[a-z]([0-9a-z_])+$/i,"Username may consist of a-z, 0-9, underscores, begin with a letter.");
			bValid = bValid && checkRegexp(password,/^([0-9a-zA-Z])+$/,"Password field only allow : a-z 0-9");
			
			if (bValid) {
				$('#form-referenz').submit();
				$(this).dialog('close');
			}
		},
		'Schließen': function() {
			$(this).dialog('close');
		}
	},
	close: function() {
		allFields.val('').removeClass('ui-state-error');
	}
});
//Click for open form
$('.login')
	.button()
	.click(function() {
		$('#detail_id').val(this.name);
		$('#dialog-referenz').dialog('open');
	});

});