(function($)
{	
	"use strict";
    
    // fix back forward cache issue: http://stackoverflow.com/questions/11979156/mobile-safari-back-button
    $(window).on( "pageshow", function( event ) 
	{
		if( event.originalEvent.persisted ) 
		{
			avia_site_preloader();
		}
	});
    
	$(document).ready(function()
	{	
		// site preloader script
		avia_site_preloader();
	});
	
	
	function avia_site_preloader()
	{
		var win = $(window),
			preloader_active = $('html.av-preloader-active'),
			pre_wrap;
		
		if( preloader_active.length )
		{	
			var hide = function()
			{
				pre_wrap.avia_animate( {opacity:0}, function()
	    		{
	    			preloader_active.removeClass( 'av-preloader-active' );
	    		});
			};
			
			pre_wrap = $( '.av-siteloader-wrap' );
			setTimeout( function()
			{
				$.avia_utilities.preload( { container: preloader_active, global_callback: hide } );
				
				//fallback
				setTimeout( function()
				{
					if( preloader_active.is( '.av-preloader-active' ) ) 
					{ 
						hide(); 
						$.avia_utilities.log( 'Hide Preloader (Fallback)' );
					}
				
				}, 4000 );
				
				if( pre_wrap.is('.av-transition-enabled') )
				{
					var comp = new RegExp(location.host), 
						exclude = " .no-transition, .mfp-iframe, .lightbox-added, a.avianolink, .grid-links-ajax a, #menu-item-search a, .wp-playlist-caption";
					
					preloader_active.on( 'click', 'a:not(' + exclude + ')', function(e)
					{	
						if(!e.metaKey && !e.ctrlKey && !e.altKey && !e.shiftKey)
						{	
							var link = this; 
							if( comp.test(link.href) && link.href.split('#')[0] != location.href.split('#')[0] && link.target == "")
							{
								if(link.href.indexOf('mailto:') == -1 && link.href.indexOf('add-to-cart=') == -1 )
								{
							       	e.preventDefault();
							       	preloader_active.addClass( 'av-preloader-active av-preloader-reactive' );
									pre_wrap.avia_animate( {opacity:1}, function()
									{
										window.location = link.href;
									});
								}
							}
						}
					});
				}
					
			}, 500 );
		}
	}

})(jQuery);