$(function() {
		$('#contactLink, #contactForm img').click(function (e) {
			e.preventDefault();
			// load the contact form using ajax
			$.get("/DesktopModules/MessageSender/data/contact.aspx", function(data){
				// create a modal dialog with the data
				$(data).modal({
					close: false,
					overlayId: 'contact-overlay',
					containerId: 'contact-container',
					onOpen: contact.open,
					onShow: contact.show,
					onClose: contact.close
				});
			});
		});

		// preload images
		var img = ['cancel.png','form_bottom.gif','form_top.gif','form_top_ie.gif','loading.gif'];
		$(img).each(function () {
			var i = new Image();
			i.src = '/DesktopModules/MessageSender/img/contact/' + this;
		});
	});

	var contact = {
		message: null,
		open: function (dialog) {
			// add padding to the buttons in firefox/mozilla
			if ($.browser.mozilla) {
				$('#contact-container .contact-button').css({
					'padding-bottom': '2px'
				});
			}
			// input field font size
			if ($.browser.safari) {
				$('#contact-container .contact-input').css({
					'font-size': '.9em'
				});
			}

			var title = $('#contact-container .contact-title').html();
			$('#contact-container .contact-title').html('Loading...');
			dialog.overlay.fadeIn(200, function () {
				dialog.container.fadeIn(200, function () {
					dialog.data.fadeIn(200, function () {
						$('#contact-container .contact-content').animate({
							height: 450
						}, function () {
							$('#contact-container .contact-title').html(title);
							$('#contact-container form').fadeIn(200, function () {
								$('#contact-container #contact-name').focus();

								// fix png's for IE 6
								if ($.browser.msie && $.browser.version < 7) {
									$('#contact-container .contact-button').each(function () {
										if ($(this).css('backgroundImage').match(/^url[("']+(.*\.png)[)"']+$/i)) {
											var src = RegExp.$1;
											$(this).css({
												backgroundImage: 'none',
												filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' +  src + '", sizingMethod="crop")'
											});
										}
									});
								}
							});
						});
					});
				});
			});
		},
		show: function (dialog) {
//			!!!
			$("#tabModuleId")[0].value="105";
			$("#contact-message")[0].value = '';
			$('#contact-container .contact-send').click(function (e) {
				e.preventDefault();
				// validate form
				if (contact.validate()) {
					$('#contact-container .contact-message').fadeOut(function () {
						$('#contact-container .contact-message').removeClass('contact-error').empty();
					});
					$('#contact-container .contact-title').html('Sending...');
					$('#contact-container form').fadeOut(200);
					$('#contact-container .contact-content').animate({
						height: '450px'
					}, function () {
						$('#contact-container .contact-loading').fadeIn(200, function () {
							$.ajax({
								url: '/DesktopModules/MessageSender/data/contact.aspx',
								data: $('#contact-container form').serialize() + '&action=send',
								type: 'post',
								cache: false,
								dataType: 'html',
								complete: function (xhr) {
									$('#contact-container .contact-loading').fadeOut(200, function () {
										$('#contact-container .contact-title').html('Thank you!');
										$('#contact-container .contact-message').html(xhr.responseText).fadeIn(200);
									});
								},
								error: contact.error
							});
						});
					});
				}
				else {
					if ($('#contact-container .contact-message:visible').length > 0) {
						var msg = $('#contact-container .contact-message div');
						msg.fadeOut(200, function () {
							msg.empty();
							contact.showError();
							msg.fadeIn(200);
						});
					}
					else {
						$('#contact-container .contact-message').animate({
							height: '50px'
						}, contact.showError);
					}
					
				}
			});
		},
		close: function (dialog) {
			$('#contact-container .contact-message').fadeOut();
			$('#contact-container .contact-title').html('Goodbye...');
			$('#contact-container form').fadeOut(200);
			$('#contact-container .contact-content').animate({
				height: 40
			}, function () {
				dialog.data.fadeOut(200, function () {
					dialog.container.fadeOut(200, function () {
						dialog.overlay.fadeOut(200, function () {
							$.modal.close();
						});
					});
				});
			});
		},
		error: function (xhr) {
			alert(xhr.statusText);
		},
		validate: function () {
			contact.message = '';
			if (!$('#contact-container #contact-name').val()) {
				contact.message += 'Name is required. ';
			}

			var email = $('#contact-container #contact-email').val();
			if (!email) {
				contact.message += 'Your Email is required. ';
			}
			else {
				if (!contact.validateEmail(email)) {
					contact.message += 'Email is invalid. ';
				}
			}
			
			if (!$('#contact-container #friend-name').val()) {
				contact.message += 'Friend\'s Name is required.';
			}

			var frEmail = $('#contact-container #friend-email').val();
			if (!frEmail) {
				contact.message += 'Friend\'s Email is required. ';
			}
			else {
				if (!contact.validateEmail(frEmail)) {
					contact.message += 'Friend\'s Email is invalid. ';
				}
			}
			
			if (contact.message.length > 0) {
				return false;
			}
			else {
				return true;
			}
		},
		validateEmail: function (email) {
			var at = email.lastIndexOf("@");

			// Make sure the at (@) sybmol exists and  
			// it is not the first or last character
			if (at < 1 || (at + 1) === email.length)
				return false;

			// Make sure there aren't multiple periods together
			if (/(\.{2,})/.test(email))
				return false;

			// Break up the local and domain portions
			var local = email.substring(0, at);
			var domain = email.substring(at + 1);

			// Check lengths
			if (local.length < 1 || local.length > 64 || domain.length < 4 || domain.length > 255)
				return false;

			// Make sure local and domain don't start with or end with a period
			if (/(^\.|\.$)/.test(local) || /(^\.|\.$)/.test(domain))
				return false;

			// Check for quoted-string addresses
			// Since almost anything is allowed in a quoted-string address,
			// we're just going to let them go through
			if (!/^"(.+)"$/.test(local)) {
				// It's a dot-string address...check for valid characters
				if (!/^[-a-zA-Z0-9!#$%*\/?|^{}`~&'+=_\.]*$/.test(local))
					return false;
			}

			// Make sure domain contains only valid characters and at least one period
			if (!/^[-a-zA-Z0-9\.]*$/.test(domain) || domain.indexOf(".") === -1)
				return false;	

			return true;
		},
		showError: function () {
			$('#contact-container .contact-message')
				.html($('<div class="contact-error">').append(contact.message))
				.fadeIn(200);
		}
	};