$(document).ready(function() {
			$(function() {
				var $ac_background	= $('#ac_background'),
				$ac_bgimage		= $ac_background.find('.ac_bgimage'),
				$ac_loading		= $ac_background.find('.ac_loading'),
				
				$ac_content		= $('#ac_content'),
				$title			= $ac_content.find('h1'),
				$menu			= $ac_content.find('.ac_menu'),
				$mainNav		= $menu.find('ul:first'),
				$menuItems		= $mainNav.children('li'),
				totalItems		= $menuItems.length,
				$ItemImages		= new Array();
				
				/* 
				for this menu, we will preload all the images. 
				let's add all the image sources to an array,
				including the bg image
				*/
				$menuItems.each(function(i) {
					$ItemImages.push($(this).children('a:first').attr('href'));
				});
				$ItemImages.push($ac_bgimage.attr('src'));
					  
				
				var Menu 			= (function(){
					var init				= function() {
						loadPage();
						initWindowEvent();
					},
					loadPage			= function() {
						/*
							1- loads the bg image and all the item images;
							2- shows the bg image;
							3- shows / slides out the menu;
							4- shows the menu items;
							5- initializes the menu items events
						 */
						$ac_loading.show();//show loading status image
						$.when(loadImages()).done(function(){
							$.when(showBGImage()).done(function(){
								//hide the loading status image
								$ac_loading.hide();
								$.when(slideOutMenu()).done(function(){
										$.when(toggleMenuItems('up')).done(function(){
										initEventsSubMenu();
									});
								});
							});
						});
					},
					showBGImage			= function() {
						return $.Deferred(
						function(dfd) {
							//adjusts the dimensions of the image to fit the screen
							adjustImageSize($ac_bgimage);
							$ac_bgimage.fadeIn(1000, dfd.resolve);
						}
					).promise();
					},
					slideOutMenu		= function() {
						/* calculate new width for the menu */
						var new_w	= $(window).width() - $title.outerWidth(true);
						return $.Deferred(
						function(dfd) {
							//slides out the menu
							$menu.stop()
							.animate({
								width	: new_w + 'px'
							}, 700, dfd.resolve);
						}
					).promise();
					},
						/* shows / hides the menu items */
						toggleMenuItems		= function(dir) {
						return $.Deferred(
						function(dfd) {
							/*
							slides in / out the items. 
							different animation time for each one.
							*/
							$menuItems.each(function(i) {
										var $el_title	= $(this).children('a:first'),
											marginTop, opacity, easing;
										if(dir === 'up'){
											marginTop	= '0px';
											opacity		= 1;
											easing		= 'easeOutBack';
										}
										else if(dir === 'down'){
											marginTop	= '60px';
											opacity		= 0;
											easing		= 'easeInBack';
						}
								$el_title.stop()
								.animate({
													marginTop	: marginTop,
													opacity		: opacity
												 }, 200 + i * 200 , easing, function(){
									if(i === totalItems - 1)
										dfd.resolve();
								});
							});
						}
					).promise();
					},
					initEventsSubMenu	= function() {
						$menuItems.each(function(i) {
							var $item		= $(this), // the <li>
							$el_title	= $item.children('a:first'),
							el_image	= $el_title.attr('href'),
							$sub_menu	= $item.find('.ac_subitem'),
							$ac_close	= $sub_menu.find('.ac_close');
							
							/* user clicks one item : appetizers | main course | desserts | wines | specials */
							$el_title.bind('click.Menu', function(e) {
									$.when(toggleMenuItems('down')).done(function(){
									openSubMenu($item, $sub_menu, el_image);
								});
								return false;
							});
							/* closes the submenu */
							$ac_close.bind('click.Menu', function(e) {
								closeSubMenu($sub_menu);
								return false;
							});
						});
					},
					openSubMenu			= function($item, $sub_menu, el_image) {
						$sub_menu.stop()
						.animate({
							height		: '400px',
							marginTop	: '-200px'
						}, 400, function() {
										//the bg image changes
							showItemImage(el_image);
						});
					},
						/* changes the background image */
					showItemImage		= function(source) {
							//if its the current one return
						if($ac_bgimage.attr('src') === source)
							return false;
								
						var $itemImage = $('<img src="'+source+'" alt="Background" class="ac_bgimage"/>');
						$itemImage.insertBefore($ac_bgimage);
						adjustImageSize($itemImage);
						$ac_bgimage.fadeOut(1500, function() {
							$(this).remove();
							$ac_bgimage = $itemImage;
						});
						$itemImage.fadeIn(1500);
					},
					closeSubMenu		= function($sub_menu) {
						$sub_menu.stop()
						.animate({
							height		: '0px',
							marginTop	: '0px'
						}, 400, function() {
							//show items
										toggleMenuItems('up');
						});
					},
						/*
						on window resize, ajust the bg image dimentions,
						and recalculate the menus width
						*/
					initWindowEvent		= function() {
						/* on window resize set the width for the menu */
						$(window).bind('resize.Menu' , function(e) {
							adjustImageSize($ac_bgimage);
							/* calculate new width for the menu */
							var new_w	= $(window).width() - $title.outerWidth(true);
							$menu.css('width', new_w + 'px');
						});
					},
						/* makes an image "fullscreen" and centered */
					adjustImageSize		= function($img) {
						var w_w	= $(window).width(),
						w_h	= $(window).height(),
						r_w	= w_h / w_w,
						i_w	= $img.width(),
						i_h	= $img.height(),
						r_i	= i_h / i_w,
						new_w,new_h,
						new_left,new_top;
							
						if(r_w > r_i){
							new_h	= w_h;
							new_w	= w_h / r_i;
						}
						else{
							new_h	= w_w * r_i;
							new_w	= w_w;
						}
							
						$img.css({
							width	: new_w + 'px',
							height	: new_h + 'px',
							left	: (w_w - new_w) / 2 + 'px',
							top		: (w_h - new_h) / 2 + 'px'
						});
					},
						/* preloads a set of images */
					loadImages			= function() {
						return $.Deferred(
						function(dfd) {
							var total_images 	= $ItemImages.length,
							loaded			= 0;
							for(var i = 0; i < total_images; ++i){
								$('<img/>').load(function() {
									++loaded;
									if(loaded === total_images)
										dfd.resolve();
								}).attr('src' , $ItemImages[i]);
							}
						}
					).promise();
					};
						
					return {
						init : init
					};
				})();
			
				/*
			call the init method of Menu
				 */
				Menu.init();
			});
			$('form#contactform').submit(function() {
		var valid = true;
		$(this).find('div span').remove();
		$(this).find('span.error-message').hide();
		$(this).find('.req').each(function() {
			if ($(this).val() == "") {
				$(this).after('<span><img src="images/icon_alert.png"/></span>');
				valid = false;
			} else if ($(this).hasClass('req-email') && !checkemail($(this).val())) {
				$(this).after('<span><img src="images/icon_alert.png"/></span>');
				valid = false;
			} else if ($(this).hasClass('req-num') && !checknum($(this).val())) {
		    $(this).after('<span><img src="images/icon_alert.png"/></span>');
		    valid = false;
		  }
		});
		
		if (!valid) {
			$(this).find('span.error-message').text("Verifica los campos requeridos").show();
			return false;
		}
	});
			$(function() {
				var $ac_content = $('#menu-interno'),
				$menu			= $ac_content.find('.ac_menu');
			});
			
			$(function() {
				//the loading image
				var $loader		= $('#st_loading');
				//the ul element 
				var $list		= $('#st_nav');
				//the current image being shown
				var $currImage 	= $('#st_main').children('img:first');
				
				//let's load the current image 
				//and just then display the navigation menu
				$('<img>').load(function(){
					$loader.hide();
					$currImage.fadeIn(3000);
					//slide out the menu
					setTimeout(function(){
						$list.animate({'left':'0px'},500);
					},
					1000);
				}).attr('src',$currImage.attr('src'));
				
				//calculates the width of the div element 
				//where the thumbs are going to be displayed
				buildThumbs();
				
				function buildThumbs(){
					$list.children('li.album').each(function(){
						var $elem 			= $(this);
						var $thumbs_wrapper = $elem.find('.st_thumbs_wrapper');
						var $thumbs 		= $thumbs_wrapper.children(':first');
						//each thumb has 180px and we add 3 of margin
						var finalW 			= $thumbs.find('img').length * 183;
						$thumbs.css('width',finalW + 'px');
						//make this element scrollable
						makeScrollable($thumbs_wrapper,$thumbs);
					});
				}
				
				//clicking on the menu items (up and down arrow)
				//makes the thumbs div appear, and hides the current 
				//opened menu (if any)
				$list.find('.st_arrow_down').live('click',function(){
					var $this = $(this);
					hideThumbs();
					$this.addClass('st_arrow_up').removeClass('st_arrow_down');
					var $elem = $this.closest('li');
					$elem.addClass('current').animate({'height':'230px'},200);
					var $thumbs_wrapper = $this.parent().next();
					$thumbs_wrapper.show(200);
				});
				$list.find('.st_arrow_up').live('click',function(){
					var $this = $(this);
					$this.addClass('st_arrow_down').removeClass('st_arrow_up');
					hideThumbs();
				});
				
				//clicking on a thumb, replaces the large image
				$list.find('.st_thumbs img').bind('click',function(){
					var $this = $(this);
					$loader.show();
					$('<img class="st_preview"/>').load(function(){
						var $this = $(this);
						var $currImage = $('#st_main').children('img:first');
						$this.insertBefore($currImage);
						$loader.hide();
						$currImage.fadeOut(2000,function(){
							$(this).remove();
						});
					}).attr('src',$this.attr('alt'));
				}).bind('mouseenter',function(){
					$(this).stop().animate({'opacity':'1'});
				}).bind('mouseleave',function(){
					$(this).stop().animate({'opacity':'0.7'});
				});
				
				
				//-----------
				//clicking on a thumb, replaces the large image
				$list.find('.st_thumbs2 img').bind('click',function(){
					var $this = $(this);
					//$loader.show();
					$('<img class="st_preview"/>').load(function(){
						var $this = $(this);
						var $currImage = $('#st_main').children('img:first');
						$this.insertBefore($currImage);
						$loader.hide();
						$currImage.fadeOut(2000,function(){
							$(this).remove();
						});
					}).attr('src',$this.attr('alt'));
				}).bind('mouseenter',function(){
					$(this).stop().animate({'opacity':'1'});
				}).bind('mouseleave',function(){
					$(this).stop().animate({'opacity':'0.7'});
				});
				//-----------
				
				
				//function to hide the current opened menu
				function hideThumbs(){
					$list.find('li.current')
						 .animate({'height':'50px'},400,function(){
							$(this).removeClass('current');
						 })
						 .find('.st_thumbs_wrapper')
						 .hide(200)
						 .andSelf()
						 .find('.st_link span')
						 .addClass('st_arrow_down')
						 .removeClass('st_arrow_up');
				}

				//makes the thumbs div scrollable
				//on mouse move the div scrolls automatically
				function makeScrollable($outer, $inner){
					var extra 			= 800;
					//Get menu width
					var divWidth = $outer.width();
					//Remove scrollbars
					$outer.css({
						overflow: 'hidden'
					});
					//Find last image in container
					var lastElem = $inner.find('img:last');
					$outer.scrollLeft(0);
					//When user move mouse over menu
					$outer.unbind('mousemove').bind('mousemove',function(e){
						var containerWidth = lastElem[0].offsetLeft + lastElem.outerWidth() + 2*extra;
						var left = (e.pageX - $outer.offset().left) * (containerWidth-divWidth) / divWidth - extra;
						$outer.scrollLeft(left);
					});
				}
            });
	    $(function(){
		  $(".tweet").tweet({
			join_text: "auto",
			username: "atsdigital",
			avatar_size: 36,
			count: 5,
			loading_text: "Leyendo tweets..."
		  });
		});
});
function checkemail(e){
	var emailfilter = /^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
	return emailfilter.test(e);
}
function checknum(e) {
 var filter = /^\D?(\d{3})\D?\D?(\d{3})\D?(\d{4})$/
 return filter.test(e);

}