function getPageSize() {

    var xScroll, yScroll;

    if (window.innerHeight && window.scrollMaxY) {
        xScroll = window.innerWidth + window.scrollMaxX;
        yScroll = window.innerHeight + window.scrollMaxY;
    } else if (document.body.scrollHeight > document.body.offsetHeight) { // all but Explorer Mac
        xScroll = document.body.scrollWidth;
        yScroll = document.body.scrollHeight;
    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
        xScroll = document.body.offsetWidth;
        yScroll = document.body.offsetHeight;
    }

    var windowWidth, windowHeight;

    if (self.innerHeight) {	// all except Explorer
        if (document.documentElement.clientWidth) {
            windowWidth = document.documentElement.clientWidth;
        } else {
            windowWidth = self.innerWidth;
        }
        windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
        windowWidth = document.documentElement.clientWidth;
        windowHeight = document.documentElement.clientHeight;
    } else if (document.body) { // other Explorers
        windowWidth = document.body.clientWidth;
        windowHeight = document.body.clientHeight;
    }

    // for small pages with total height less then height of the viewport
    if (yScroll < windowHeight) {
        pageHeight = windowHeight;
    } else {
        pageHeight = yScroll;
    }

    // for small pages with total width less then width of the viewport
    if (xScroll < windowWidth) {
        pageWidth = xScroll;
    } else {
        pageWidth = windowWidth;
    }

    return [pageWidth, pageHeight];
}

$("#overlay").click(function(event) {
    end_show();
});
$("#lightbox").click(function(event) {
    var s_element = event.srcelement ? event.srcelement : event.target;
    if (s_element.id != null) {
        if (s_element.id == 'lightbox') {
            end_show();
        }
    }
});

var arrayPageSize = getPageSize();
$('#overlay').css('width', arrayPageSize[0] + 'px');
$('#overlay').css('height', arrayPageSize[1] + 'px');

function end_show() {
    $('#lightbox').hide();
    $("#overlay").hide();

    jQuery.each(jQuery.browser, function(i, val) {
        if (i == "msie" && jQuery.browser.version.substr(0, 3) < 7) {
            $('#selector_table').show();
        }
    });
    
}
function begin_show(frame) {

    jQuery.each(jQuery.browser, function(i, val) {
        if (i == "msie" && jQuery.browser.version.substr(0, 3) < 7) {
            $('#selector_table').hide();
        }
    });

    $('#lightbox').show();
    $("#overlay").show();

    var offset = $(window).scrollTop();
    $('#lightbox').css('top', 90 + offset + 'px');

    if (!$("#photos").is(".gallery")) {
        $('#photos').sgLightbox();
    }

    $('#frame-hook-' + frame).click();
}