$(document).ready(function(){ 
    $('#id-left-image').css('cursor','pointer');
    var i = 1;
    var images = ['images/header_1.jpg','images/header_2.jpg','images/header_3.jpg','images/header_4.jpg','images/header_5.jpg','images/header_6.jpg','images/header_7.jpg','images/header_8.jpg','images/header_9.jpg','images/header_10.jpg','images/header_11.jpg','images/header_12.jpg','images/header_13.jpg','images/header_14.jpg','images/header_15.jpg','images/header_16.jpg','images/header_17.jpg'];
    $('#id-left-image').click(function(){
        $('#id-left-image').attr('src',baseUri+images[i]);
        if(++i>images.length-1) i=0;
    });

    $("a[rel=gallery_group]").fancybox({
        'transitionIn'     : 'elastic',
        'transitionOut'    : 'elastic',
        'titlePosition'    : 'over',
        'titleShow'        : true,
        'titleFormat'      : function(title, currentArray, currentIndex, currentOpts) {
            return '<span id="fancybox-title-over">' + (currentIndex + 1) + ' / ' + currentArray.length + (title.length ? ' &nbsp; ' + title : '') + '</span>';
        }
    });
    
});