https://ebooks.edu.gr/ebooks/v2/js/ds.js?v1.1

1/*** background image fit to window ****/
2
3var $ = jQuery.noConflict();
4
5$(function() { 
6  
7		var a=0;
8			var theWindow        = $(window),
9			    $bg              = $("#bg_img"),
10			    aspectRatio      =0;
11			var open = false;
12			    			    		
13			function resizeBg() {
14				aspectRatio      = $bg.width() / $bg.height();
15				
16				if ( (theWindow.width() / (theWindow.height())) < aspectRatio ) {
17				    $bg
18				    	.removeClass()
19				    	.addClass('bgheight');
20				} else {
21				    $bg
22				    	.removeClass()
23				    	.addClass('bgwidth');
24				}
25							
26			}
27			
28			
29			
30			function setupMenuButton() {
31					$("#small_menu").click(function(e) {
32						e.preventDefault();
33						
34						/*if small menu expanded*/
35						if (open) {
36							/*collapse small menu */
37							$(".main_menu").fadeOut();
38							$(".epipeda").fadeOut();
39							$("#small_menu").toggleClass("selected");
40							/*$('.menu-wrapper').css('overflow','hidden');*/
41							$('.menu-wrapper').css('height','auto');
42						}
43						/*if small menu collapsed*/	
44						else {
45							/*expand small menu */
46							$(".main_menu").fadeIn();
47							$('.epipeda_small').hide();
48							
49							$("#small_menu").toggleClass("selected");
50							if( $('.menu-wrapper').height()>=$(window).height()-50 ){
51								$('.menu-wrapper').css('height',$(window).height()-50 + 'px');	
52								$('.menu-wrapper').css('overflow','scroll');	
53							}else{
54								/*$('.menu-wrapper').css('overflow','hidden');*/
55								$('.menu-wrapper').css('height','auto');
56							}
57						}
58						open = !open;
59					});
60					
61				
62   		}
63		
64		function checkMenuButton() {
65					
66					/*if large menu*/
67					if( $('#small_menu').is(':hidden')){
68						$(".main_menu").fadeIn();
69						$('.epipeda_small').hide();
70						$('.menu-wrapper').css('height','auto');
71						$('.menu-wrapper').css('overflow','visible');
72					}
73						
74					/*if small menu collapsed*/	
75					else if($('#small_menu').is(':visible')  && !open) {
76							$('.epipeda').hide();
77							$('#class_menu').removeClass('active_submenu');
78							$(".main_menu").hide();
79							$('.menu-wrapper').css('height','auto');
80							$('.menu-wrapper').css('overflow','visible');
81					}
82					/*if small menu expanded*/
83					else if($('#small_menu').is(':visible') && open) {
84							$('.epipeda').hide();
85							$('#class_menu').removeClass('active_submenu');
86							if( $('.menu-wrapper').height()>=$(window).height()-$('#header').height() ){
87								$('.menu-wrapper').css('height',$(window).height()-$('#header').height() + 'px');	
88								$('.menu-wrapper').css('overflow','scroll');	
89							}else{
90								$('.menu-wrapper').css('height','auto');
91								$('.menu-wrapper').css('overflow','visible');
92							}
93					}
94   		}
95	
96	
97		function setFooter() {
98			var minheight=$(window).height()-$('#header').innerHeight()-$('#footer').innerHeight()-10;
99			$('#content_course').css('min-height',minheight);	
100		}
101		
102		
103		$("body").click(function(){
104			$('.epipeda').fadeOut(200);
105			$('#class_menu').removeClass('active_submenu');
106		 });
107		
108		$('#class_menu').click(function(event){
109		   event.stopPropagation();
110		});
111		
112		$('.epipeda').click(function(event){
113		   event.stopPropagation();
114		});
115		
116		
117		/****   on click ana taksi menu click *********/	
118			$('#class_menu').click(function() {
119				
120				if($('#small_menu').is(':hidden')){
121					$('.epipeda_small').hide();
122					$('.epipeda').fadeToggle(200).toggleClass("visible");
123				}else{
124					$('.epipeda').hide();
125					$('.epipeda_small').slideToggle(200).toggleClass("visible");
126					}
127			$('#class_menu').toggleClass('active_submenu');
128			 });
129		/******    ******/	
130
131	    $('.highlights').click(function(){
132	      var url = $(this).next().attr('href');
133	      var target = $(this).next().attr('target');
134	      if (target=='_blank') {
135	      	window.open(url,'_blank');
136	      }
137	      else {
138	      	window.location = url;
139	      }
140	    });
141		
142
143		setupMenuButton();
144		setFooter();
145		resizeBg();	
146					
147		$('#bg_img').load(resizeBg);	
148		
149					
150		theWindow.resize(function() {
151				resizeBg();
152				checkMenuButton();
153				setFooter();
154			}).trigger("resize");
155
156
157
158			
159	});