$(document).ready(function(){

	$(".container").toggle(false).fadeIn("slow");
	
    /* ---------------------------------------------------------------------------
	 * Sticky header
	 * --------------------------------------------------------------------------- */
    var topBarTop = '0px';
    var mfn_header_height = mfn_header_height = $('#Top_bar').innerHeight() + $('#Action_bar').innerHeight();
    
    // init
	function mfn_sticky(){
		//if( $('body').hasClass('sticky-header') ){	
			var start_y = mfn_header_height;
			var window_y = $(window).scrollTop();
	//alert(window_y)
			if( window_y > start_y ){
				if( ! ($('#Top_bar').hasClass('is-sticky'))){
					
					$('.header-classic .header_placeholder').css('height', $('#Top_bar').innerHeight() - $('#Action_bar').innerHeight());
					$('.header-stack   .header_placeholder').css('height', $('#Top_bar').innerHeight());
					$('.header-below   .header_placeholder').css('height', $('#Top_bar').innerHeight());
					$('.minimalist-header .header_placeholder').css('height', $('#Top_bar').innerHeight());
					
					$('#Top_bar')
						.addClass('is-sticky')
						.css('top',-60)
						.animate({
							'top': $('#wpadminbar').innerHeight()
						},300);
							
						//vymena obrazku loga
						$('#logo img').attr('src','http://www.susvm.cz/img/logoInvert.png')
				}
			}
			else {
				if($('#Top_bar').hasClass('is-sticky')) {
					$('.header_placeholder').css('height',0);
					$('#Top_bar')
						.removeClass('is-sticky')
						.css('top', topBarTop);
				
				$('#logo img').attr('src','http://www.susvm.cz/img/logo.png')
				}
			}
		//}
	}
	
		mfn_sticky();
		
	$(window).scroll(function(){
		mfn_sticky();
	});
	
	/*formular*/
	var hlaska = 'Prostor pro Váš dotaz...';
	
	$("#form-sdeleni").focus(function() {
	    if($("#form-sdeleni").val()==hlaska){
	      $("#form-sdeleni").val('');
	    }
	});

	$("#form-sdeleni").blur(function() {
	    if($("#form-sdeleni").val()==''){
	      $("#form-sdeleni").val(hlaska);
	    }
	});
	
	//$("a.lightbox").fancybox();
	
	$('a.lightbox').touchTouch();
	
  
  //$('.start').trigger('click');
  
  $('body', '').avia_activate_hover_effect();
  	
});

function IsEmail(email) {
var regex = /^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
if(!regex.test(email)) {
   return false;
}else{
   return true;
}
}

// -------------------------------------------------------------------------------------------
// Smooth scrooling when clicking on anchor links
// -------------------------------------------------------------------------------------------

(function($)
{
	$.fn.avia_smoothscroll = function(variables) 
	{
		return this.each(function()
		{
			$(this).click(function(ev) {
			   var newHash=this.hash;

			   if(newHash != '' && newHash != '#' && !$(this).is('.comment-reply-link, #cancel-comment-reply-link, .no-scroll'))
			   {
				   var container = $(newHash);
				   if(container.length)
				   {
					   var target = container.offset().top,
						   oldLocation=window.location.href.replace(window.location.hash, ''),
						   newLocation=this,
						   duration=800,
						   easing='easeOutQuint';
			
					   // make sure it's the same location      
					   if(oldLocation+newHash==newLocation)
					   {
					      // 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;
					      });
					
					      // cancel default click action
					      return false;
					   }
					}
				}
			});
		});
	};
})(jQuery);	


// -------------------------------------------------------------------------------------------
// Hover effect activation
// -------------------------------------------------------------------------------------------


(function($)
{
	$.fn.avia_activate_hover_effect = function(variables) 
	{
		var defaults = 
		{
			autolinkElements: 'a[rel^="prettyPhoto"], a[rel^="lightbox"], a[href$=jpg], a[href$=png], a[href$=gif], a[href$=jpeg], a[href$=".mov"] , a[href$=".swf"] , a[href*="vimeo.com"] , a[href*="youtube.com"]'
		};
		
		var options = $.extend(defaults, variables);
		
		return this.each(function()
		{	
			$(options.autolinkElements, this).not(".noLightbox a").contents('img').each(function()
			{
				var img = $(this),
					a = img.parent(),
					preload = img.parents('.preloading'),
					$newclass = 'lightbox_video',
					applied= false;
					
				
				if(a.attr('href').match(/(jpg|gif|jpeg|png|tif)/)) 
				{ 
					$newclass = 'lightbox_image'; 
				}
				
				if(a.is('.external-link') || ! a.attr('href').match(/(jpg|gif|jpeg|png|\.tif|\.mov|\.swf|vimeo\.com|youtube\.com)/))
				{ 
					$newclass = 'external_image'; 
				}
				
				if(a.is('a'))
				{
					if(img.css('float') == 'left' || img.css('float') == 'right') {a.css({float:img.css('float')})}
					if(!a.css('position') || a.css('position') == 'static') { a.css({position:'relative', display:'inline-block'}); }
					if(img.is('.aligncenter')) a.css({display:'block'}); 
					if(img.css('left')) { a.css({left: img.css('left')}); img.css('left', 0); } 
				}
				
				var bg = $("<span class='image_overlay_effect'><span class='image_overlay_effect_inside'></span></span>").appendTo(a);
					bg.css({display:'block', zIndex:1, opacity:0});
				
				bg.hover(function()
				{	
					if(applied == false && img.css('opacity') > 0.5)
					{
						bg.addClass($newclass);
						applied = true;
					}	
					
					bg.stop().animate({opacity:0.6},400);
				},
				function()
				{
					bg.stop().animate({opacity:0},400);
				});
				
				
				
			});						
		});
	};
})(jQuery);