https://reservas.hotelamaike.com/portal/themes/traveller/js/imgcentering.js?v=34

1/*
2* imgCentering.js jQuery Plugin
3* A jQuery plugin to centering your pictures and images
4*
5* Name:			imgCentering.js
6* Author:		Kenny Ooi - http://www.inwebson.com
7* Date:			September 28, 2012		
8* Version:		1.1
9* Example:		http://www.inwebson.com/demo/imgcentering/
10*
11*/
12(function($){
13	var blank = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
14
15	var imgCentering = function(obj, options) {
16		var defaults = {
17			'forceWidth': false,
18			'forceHeight': false,
19			'forceSmart': false,
20			'bgColor': "inherit"
21		};
22		
23		function forceWidth(obj) {
24			obj.css('width', '100%');
25		}
26		
27		function forceHeight(obj) {
28			obj.css('height', '100%');
29		}
30
31		var img = $(obj);
32		var settings = $.extend(defaults, options);
33		img.load( function() {
34			
35			//get container width and height
36			var _conwidth = img.parent().width();
37			var _conheight = img.parent().height();
38			
39			//get container position and bgcolr css
40			var _parentpos = img.parent().css('position');
41			if( settings.bgColor == 'inherit' )
42				var _parentbg = img.parent().css('backgroundColor');
43			else
44				var _parentbg = settings.bgColor;
45						
46			//reset img to full dimension
47			img.css('width', 'auto');
48			img.css('height', 'auto');
49						
50			if( settings.forceSmart ) {
51				var _fullratio = img.width() / img.height();
52				var _conratio = _conwidth / _conheight;
53				if( _fullratio < _conratio ) 
54					forceWidth(img);
55				else 
56					forceHeight(img);
57			} else {
58				if( settings.forceWidth )
59					forceWidth(img);
60				if( settings.forceHeight )	
61					forceHeight(img);
62			}
63						
64			//get final image dimension
65			var _finalwidth = img.width();
66			var _finalheight = img.height();
67			
68			img.css({
69				'position': 'relative',
70				'left': -(_finalwidth-_conwidth)/2+'px',
71				'top': -(_finalheight-_conheight)/2+'px'
72			})
73			.parent().css({
74				'position': _parentpos,
75				'overflow': 'hidden',
76				'backgroundColor': _parentbg
77			});
78		});
79		
80		if( obj.complete || obj.complete === undefined ) {
81			var src = obj.src;
82			// webkit hack from http://groups.google.com/group/jquery-dev/browse_thread/thread/eee6ab7b2da50e1f
83			// data uri bypasses webkit log warning (thx doug jones)
84			obj.src = blank;
85			obj.src = src;
86		}
87	}
88	
89	$.fn.imgCentering = function(options) {
90		
91		return this.each( function(e) {
92			var img = $(this);
93			if(img.data('imgCentering')) return;
94			
95			var imgcenter = new imgCentering(this, options);
96			img.data('imgCentering', imgcenter);
97			
98		});
99	}
100	
101})(jQuery);