(function($)
{	
    "use strict";
	
	//fix back forward cache issue: http://stackoverflow.com/questions/11979156/mobile-safari-back-button
    $(window).bind("pageshow", function(event) {
	    if (event.originalEvent.persisted) {
	     avia_site_preloader();
	    }
	});
	
	
    $(document).ready(function()
    {	    
	    //alert('ok');
    	
        //check if user uses IE7 - if yes don't execute the function or the menu will break
        awork_responsive_menu();
		awork_adjust_menu_position();
		
		$(window).resize(function() {
			awork_adjust_menu_position();
			
			var browser_width = document.body.clientWidth;
			//在mobile状态下点击菜单后，放大，还出现菜单及图标
			//if( $(".awork-menu .menu-icon").css("display") == "none" ){
				
			if( browser_width>1024 ){
				$("#awork-menu ul.menu-mobile").css("display","none");//--隐藏移动菜单---
				$(".awork-menu .menu-icon .icon-close").css("display","none");//--隐藏移动菜单后隐藏图标，以防再次缩小时出现关闭按钮--
				$(".awork-menu .menu-icon .icon-menu").css("display","block");
				
				$(".menu-icon").css('display', 'none');
				
			}else{
				if( $("#awork-top-search").css("display") == "none" ){
					$(".menu-icon").css('display', 'block');	
				}
				
			}
			
			//if( $("header .header-wrap .awork-menu ul.menu span") == "none" ){}else{$(".awork-menu .menu-icon .icon-menu").css("display"," none");}
			
			//注： 当在移动状态下点击search时，然后拉大，在正常状态下关闭，移动状态下的菜单不会隐藏
			
			//先点搜索，再点菜单，拉大之后菜单不会消失
	
		});
	
		
		
    });


    // -------------------------------------------------------------------------------------------
	// responsive menu function
	// -------------------------------------------------------------------------------------------

    function awork_responsive_menu()
    {
		
		
		$('#awork-menu ul.menu span').clone().attr('id','awork-mobile-menu').removeClass().attr('class','awork-mobile-menu').appendTo( $("#awork-menu ul.menu-mobile") );
		
		$(".menu-icon").click(function(){
			$(".awork-menu .menu-icon .icon-close").toggle();
			$(".awork-menu .menu-icon .icon-menu").toggle();
			$("#awork-menu ul.menu-mobile").toggle(500);
  		});
		

		$(".icon-search").click(function(){
			$(".menu-icon").css('display', 'none');
			
			$("#awork-menu ul.menu").css('display', 'none');

			$("#awork-top-search").slideDown("slow");
			//$("#awork-top-search").slideDown( 500 );	
			
			var browser_width = document.body.clientWidth;				
			if( browser_width>1024 ){
			
				$(".menu-icon").css('display', 'none');
			}
			
  		});	


		
		$(".awork-close-search-field").click(function(){
			
			$(".menu-icon").css('display', 'block');//显示菜单图标
			
			//$(".menu-icon").slideDown("slow");

			$("#awork-menu ul.menu").css('display', 'block');//显示菜单
			//$("#awork-menu ul.menu").slideDown("slow");

			$("#awork-top-search").css('display', 'none');//隐藏搜索
			
			var browser_width = document.body.clientWidth;				
			if( browser_width>1024 ){
			
				$(".menu-icon").css('display', 'none');
			}
			//if(!$("header .header-wrap .awork-menu ul.menu span") == "none" )$(".awork-menu .menu-icon .icon-menu").css("display"," none");

  		});
		

    }

    function awork_adjust_menu_position()
    {
		var width = $('.header-wrap').width(),
			logo_width = $('.awork-logo').width(),
			
			header_height = $('.header').height(),
			
			browser_width = document.body.clientWidth
			//css			= "",
			//css_box	= $("<style type='text/css' id='awork-menu-position'></style>").appendTo('head:first')
			;

		$("#awork-top-search").css('width', width-logo_width-20);

		$("#awork-top-search").css('paddingTop', (header_height-25)/2 );
		$("#awork-top-search .awork-search-form input").css('max-width', width-logo_width-60 );
		
		$(".awork-menu ul.menu li.menu-item-has-children ul.sub-menu").has(".menu-item-has-children").css('width', width);
		$(".awork-menu ul.menu li.menu-item-has-children ul.sub-menu").has(".menu-item-has-children").css('right', (( browser_width - width) /2) );
		$(".awork-menu ul.menu li.menu-item-has-children ul.sub-menu").has(".menu-item-has-children").css('top', ( header_height-30));
		$(".awork-menu ul.menu li.menu-item-has-children ul.sub-menu").has(".menu-item-has-children").addClass("sub-menu-width");
		
		var num = $('.awork-menu ul.menu li.menu-item-has-children ul.sub-menu-width').children('li').length;
		if(num == 3 ){ $("header .header-wrap .awork-menu ul.menu li ul.sub-menu-width li").css('width', '33%');   }
		if(num == 2 ){ $("header .header-wrap .awork-menu ul.menu li ul.sub-menu-width li").css('width', '50%');   }
		$("header .header-wrap .awork-menu ul.menu li ul.sub-menu li ul.sub-menu li").css('width', '100%');
		//alert(num);

		$("header .header-wrap .awork-menu ul.menu li ul li").parent(".sub-menu-width").find("li").css("background-color", "transparent");		

		//
		
		$("header .header-wrap .awork-menu ul.menu li").css('height', header_height);
		$("header .header-wrap .awork-menu ul.menu li ul li").css('height','auto');
		
		//css += ".awork-menu ul.menu li.menu-item-has-children ul.sub-menu{right:"	+ (( browser_width - width) /2)+	"px;top:"	+ ( header_height-30)+	"px; }";
		//css += "header .header-wrap .awork-menu ul.menu li{height:"	+ header_height+	"px;  }";
		/*		
		try{
			css_box.text(''); 
			css_box.text(css); 
		}
		catch(err){
			css_box.remove();
			css_box = $("<style type='text/css' id='awork-menu-position'>"+css+"</style>").appendTo('head:first');
		}	*/	
		
    }

	// -------------------------------------------------------------------------------------------
	// Smooth scrooling when clicking on anchor links
	// todo: maybe use https://github.com/ryanburnette/scrollToBySpeed/blob/master/src/scrolltobyspeed.jquery.js in the future
	// -------------------------------------------------------------------------------------------

	(function($)
	{
		$.fn.avia_smoothscroll = function(apply_to_container)
		{
			if(!this.length) return;
				
			var the_win = $(window),
				$header = $('#header'),
				$main 	= $('.html_header_top.html_header_sticky #main').not('.page-template-template-blank-php #main'),
				$meta 	= $('.html_header_top.html_header_unstick_top_disabled #header_meta'),
				$alt  	= $('.html_header_top:not(.html_top_nav_header) #header_main_alternate'),
				shrink	= $('.html_header_top.html_header_shrinking').length,
				frame	= $('.av-frame-top'),
				fixedMainPadding = 0,
				isMobile = $.avia_utilities.isMobile,
				sticky_sub = $('.sticky_placeholder:first'), 
				calc_main_padding= function()
				{
					if($header.css('position') == "fixed")
					{
						var tempPadding  		= parseInt($main.data('scroll-offset'),10) || 0,
							non_shrinking		= parseInt($meta.outerHeight(),10) || 0,
							non_shrinking2		= parseInt($alt.outerHeight(),10) || 0; 
						
						if(tempPadding > 0 && shrink) 
						{
							tempPadding = (tempPadding / 2 ) + non_shrinking + non_shrinking2;
						}
						else
						{
							tempPadding = tempPadding + non_shrinking + non_shrinking2;
						}
						
						tempPadding += parseInt($('html').css('margin-top'),10);
						fixedMainPadding = tempPadding; 
					}
					else
					{
						fixedMainPadding = parseInt($('html').css('margin-top'),10);
					}
					
					if(frame.length){
						fixedMainPadding += frame.height();
					}
					
				};
			
			if(isMobile) shrink = false;
			
			calc_main_padding();
			the_win.on("debouncedresize av-height-change",  calc_main_padding);

			var hash = window.location.hash.replace(/\//g, "");
			
			//if a scroll event occurs at pageload and an anchor is set and a coresponding element exists apply the offset to the event
			if (fixedMainPadding > 0 && hash && apply_to_container == 'body' && hash.charAt(1) != "!" && hash.indexOf("=") === -1)
			{
				var scroll_to_el = $(hash), modifier = 0;
				
				if(scroll_to_el.length)
				{
					the_win.on('scroll.avia_first_scroll', function()
					{	
						setTimeout(function(){ //small delay so other scripts can perform necessary resizing
							if(sticky_sub.length && scroll_to_el.offset().top > sticky_sub.offset().top) { modifier = sticky_sub.outerHeight() - 3; }
							the_win.off('scroll.avia_first_scroll').scrollTop( scroll_to_el.offset().top - fixedMainPadding - modifier);
						},10); 
				    });
			    }
			}
			
			return this.each(function()
			{
				$(this).click(function(e) {

				   var newHash  = this.hash.replace(/\//g, ""),
				   	   clicked  = $(this),
				   	   data		= clicked.data();
					
				   if(newHash != '' && newHash != '#' && newHash != '#prev' && newHash != '#next' && !clicked.is('.comment-reply-link, #cancel-comment-reply-link, .no-scroll'))
				   {
					   var container = "", originHash = "";
					   
					   if("#next-section" == newHash)
					   {
					   		originHash  = newHash;
					   		container   = clicked.parents('.container_wrap:eq(0)').nextAll('.container_wrap:eq(0)');
					   		newHash		= '#' + container.attr('id') ;
					   }
					   else
					   {
					   		container = $(this.hash.replace(/\//g, ""));
					   }
					   
					   

						if(container.length)
						{
							var cur_offset = the_win.scrollTop(),
								container_offset = container.offset().top,
								target =  container_offset - fixedMainPadding,
								hash = window.location.hash,
								hash = hash.replace(/\//g, ""),
								oldLocation=window.location.href.replace(hash, ''),
								newLocation=this,
								duration= data.duration || 1200,
								easing= data.easing || 'easeInOutQuint';
							
							if(sticky_sub.length && container_offset > sticky_sub.offset().top) { target -= sticky_sub.outerHeight() - 3;}
							
							// make sure it's the same location
							if(oldLocation+newHash==newLocation || originHash)
							{
								if(cur_offset != target) // if current pos and target are the same dont scroll
								{
									if(!(cur_offset == 0 && target <= 0 )) // if we are at the top dont try to scroll to top or above
									{
										// animate to target and set the hash to the window.location after the animation
										$('html:not(:animated),body:not(:animated)').animate({ scrollTop: target }, duration, easing, function() {
										
											// add new hash to the browser location
											//window.location.href=newLocation;
											if(window.history.replaceState)
											window.history.replaceState("", "", newHash);
										});
									}
								}
								// cancel default click action
								e.preventDefault();
							}
						}
					}
				});
			});
		};
	})(jQuery);


	// -------------------------------------------------------------------------------------------
	// Avia Menu
	// -------------------------------------------------------------------------------------------
/*	
	(function($)
	{
		//alert('ok');
		$.fn.aviaMegamenu = function(variables)
		{
			var defaults =
			{
				modify_position:true,
				delay:300
			};
			
			var options = $.extend(defaults, variables),
			win			= $(window),
			width_select= $('html').is('.html_header_sidebar') ? "#main" : "#header",
			the_main	= $(width_select + ' .container:first'),
			css_block	= $("<style type='text/css' id='av-browser-width-mm'></style>").appendTo('head:first'),
			calc_dimensions = function()
			{	
				var css			= "",
					w_12 		= Math.round( the_main.width() );
					
				css += " #header .three.units{width:"	+ ( w_12 * 0.25)+	"px;}";
				css += " #header .six.units{width:"		+ ( w_12 * 0.50)+	"px;}";
				css += " #header .nine.units{width:"	+ ( w_12 * 0.75)+	"px;}";
				css += " #header .twelve.units{width:"	+( w_12 )		+	"px;}";
				
				//ie8 needs different insert method
				try{
					css_block.text(css); 
				}
				catch(err){
					css_block.remove();
					css_block = $("<style type='text/css' id='av-browser-width-mm'>"+css+"</style>").appendTo('head:first');
				}
				
			};
			
			if($('.avia_mega_div').length > 0)
			{
				win.on( 'debouncedresize', calc_dimensions);
				calc_dimensions();
			}	
	
			return this.each(function()
			{
				var the_html	= $('html:first'),
					main		= $('#main .container:first'),
					left_menu	= the_html.filter('.html_menu_left, .html_logo_center').length,
					isMobile 	= $.avia_utilities.isMobile,
					menu = $(this),
					menuItems = menu.find(">li:not(.ignore_menu)"),
					megaItems = menuItems.find(">div").parent().css({overflow:'hidden'}),
					menuActive = menu.find('>.current-menu-item>a, >.current_page_item>a'),
					dropdownItems = menuItems.find(">ul").parent(),
					parentContainer = menu.parent(),
					mainMenuParent = menu.parents('.main_menu').eq(0),
					parentContainerWidth = parentContainer.width(),
					delayCheck = {},
					mega_open = [];
					
	
				if(!menuActive.length){ menu.find('.current-menu-ancestor:eq(0) a:eq(0), .current_page_ancestor:eq(0) a:eq(0)').parent().addClass('active-parent-item')}
				if(!the_html.is('.html_header_top')) { options.modify_position = false; }
				
				
				menuItems.on('click' ,'a', function()
				{
					if(this.href == window.location.href + "#" || this.href == window.location.href + "/#")
					return false;
				});
	
				menuItems.each(function()
				{
					var item = $(this),
						pos = item.position(),
						megaDiv = item.find("div:first").css({opacity:0, display:"none"}),
						normalDropdown = "";
	
					//check if we got a mega menu
					if(!megaDiv.length)
					{
						normalDropdown = item.find(">ul").css({display:"none"});
					}
	
					//if we got a mega menu or dropdown menu add the arrow beside the menu item
					if(megaDiv.length || normalDropdown.length)
					{
						var link = item.addClass('dropdown_ul_available').find('>a');
						link.append('<span class="dropdown_available"></span>');
	
						//is a mega menu main item doesnt have a link to click use the default cursor
						if(typeof link.attr('href') != 'string' || link.attr('href') == "#"){ link.css('cursor','default').click(function(){return false;}); }
					}
	
	
					//correct position of mega menus
					if(options.modify_position && megaDiv.length)
					{	
						item.on('mouseenter', function(){ calc_offset(item, pos, megaDiv, parentContainerWidth) });
					}
	
	
	
				});
				
				
				function calc_offset(item, pos, megaDiv, parentContainerWidth)
				{	
					pos = item.position();
					
					if(!left_menu)
						{
							if(pos.left + megaDiv.width() < parentContainerWidth)
							{
								megaDiv.css({right: -megaDiv.outerWidth() + item.outerWidth()  });
								//item.css({position:'static'});
							}
							else if(pos.left + megaDiv.width() > parentContainerWidth)
							{
								megaDiv.css({right: -mainMenuParent.outerWidth() + (pos.left + item.outerWidth() ) });
							}
						}
						else
						{
							if(megaDiv.width() > pos.left + item.outerWidth())
							{
								megaDiv.css({left: (pos.left* -1)});
							}
							else if(pos.left + megaDiv.width() > parentContainerWidth)
							{
								megaDiv.css({left: (megaDiv.width() - pos.left) * -1 });
							}
						}
				}
	
				function megaDivShow(i)
				{
					if(delayCheck[i] == true)
					{
						var item = megaItems.filter(':eq('+i+')').css({overflow:'visible'}).find("div:first"),
							link = megaItems.filter(':eq('+i+')').find("a:first");
							mega_open["check"+i] = true;
	
							item.stop().css('display','block').animate({opacity:1},300);
	
							if(item.length)
							{
								link.addClass('open-mega-a');
							}
					}
				}
	
				function megaDivHide (i)
				{
					if(delayCheck[i] == false)
					{
						megaItems.filter(':eq('+i+')').find(">a").removeClass('open-mega-a');
	
						var listItem = megaItems.filter(':eq('+i+')'),
							item = listItem.find("div:first");
	
	
						item.stop().css('display','block').animate({opacity:0},300, function()
						{
							$(this).css('display','none');
							listItem.css({overflow:'hidden'});
							mega_open["check"+i] = false;
						});
					}
				}
	
				if(isMobile)
				{
					megaItems.each(function(i){
	
						$(this).bind('click', function()
						{
							if(mega_open["check"+i] != true) return false;
						});
					});
				}
	
	
				//bind event for mega menu
				megaItems.each(function(i){
	
					$(this).hover(
	
						function()
						{
							delayCheck[i] = true;
							setTimeout(function(){megaDivShow(i); },options.delay);
						},
	
						function()
						{
							delayCheck[i] = false;
							setTimeout(function(){megaDivHide(i); },options.delay);
						}
					);
				});
	
	
				// bind events for dropdown menu
				dropdownItems.find('li').addBack().each(function()
				{
					var currentItem = $(this),
						sublist = currentItem.find('ul:first'),
						showList = false;
	
					if(sublist.length)
					{
						sublist.css({display:'block', opacity:0, visibility:'hidden'});
						var currentLink = currentItem.find('>a');
	
						currentLink.bind('mouseenter', function()
						{
							sublist.stop().css({visibility:'visible'}).animate({opacity:1});
						});
	
						currentItem.bind('mouseleave', function()
						{
							sublist.stop().animate({opacity:0}, function()
							{
								sublist.css({visibility:'hidden'});
							});
						});
	
					}
	
				});
	
			});
		};
	})(jQuery);
*/




})( jQuery );