$(function() {

		$("#dialog").dialog("destroy");

		var email = $("#email"),
			allFields = $([]).add(email),
			tips = $(".validateTips");

		function updateTips(t) {
			tips
				.text(t)
				.addClass('ui-state-highlight');
			setTimeout(function() {
				tips.removeClass('ui-state-highlight', 1500);
			}, 500);
		}

		function checkLength(o,n,min,max) {

			if ( o.val().length > max || o.val().length < min ) {
				o.addClass('ui-state-error');
				updateTips("Length of " + n + " must be between "+min+" and "+max+".");
				return false;
			} else {
				return true;
			}

		}

		function checkRegexp(o,regexp,n) {

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

		}

		$("#dialog-form").dialog({
			autoOpen: false,
			height: 300,
			width: 350,
			modal: true,
			buttons: {
				'Sign Up': function() {
					var bValid = true;
					allFields.removeClass('ui-state-error');

					bValid = bValid && checkLength(email,"email",6,80);

					bValid = bValid && checkRegexp(email,/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i,"eg. ui@jquery.com");

					if (bValid) {
						$("form:first").submit();
						$('#fieldset').html('<div>Ok!</div>');
						setTimeout("$('#dialog-form').dialog('close')", 2000);
					}
				},
				Cancel: function() {
					$(this).dialog('close');
				}
			},
			close: function() {
				allFields.val('').removeClass('ui-state-error');
			}
		});



		$('#create-user')
			.click(function() {
				$('#dialog-form').dialog('open');
			});

	});