$(document).ready(function() {
    $(".lightbox").lightbox({
        fitToScreen: true,
        imageClickClose: false
    });
    
    $('#realisations_list a').click(function() {
        $('#portfolios_all a[href$='+$(this).attr('href')+']').click();
        return false;
    });

    $('a[href$=.pdf]').attr('target', '_blank');
    
    leftMenuTop = $('#left_menu').position().top;
    
    setTimeout(leftMenu, 1000); 
});

function leftMenu() {
    var scrollTop = $(window).scrollTop();
    var centerBottom = $('#center').position().top + $('#center').height() - 200; //why 200 ??
    var leftMenuHeight = $('#left_menu').height();
    
    if (scrollTop < leftMenuTop)
        newPaddingTop = 8;
    else if ($(window).scrollTop()-leftMenuTop - 33 + leftMenuHeight > centerBottom)
        newPaddingTop = 8 + centerBottom - leftMenuHeight;
    else
        newPaddingTop = $(window).scrollTop()-leftMenuTop - 8;
        
    $('#left_menu').animate({paddingTop: newPaddingTop+'px'});
    setTimeout(leftMenu, 500); 
}