$(document).ready(function () {

    //set up viewer
    viewerSize();
    $(".viewer").hide();
    $(".viewerBackground").hide();
    $(".viewerClose")
        .click(function () { viewerClose(); })
        .hover(
            function () { $(".viewerClose").addClass("viewerCloseHover") },
            function () { $(".viewerClose").removeClass("viewerCloseHover") });

    //window resize
    $(window).resize(function () {
        viewerSize();
    });

});

function viewerOpen() {
	$(".imageViewer").hide();
	$(".bookViewer").hide();
	$(".viewer").show("slide", { direction: "left" }, 500);
	$(".viewerBackground").fadeIn(500);

	//remove hover style
	$(".viewerClose").removeClass("viewerCloseHover");
}

function viewerSize() {
	$(".viewer").height($(window).height() - 35);
	$(".viewer").width($(window).width() - 35);
	$(".viewerBackground").height($(window).height());
	$(".viewerBackground").width($(window).width());
}

function viewerClose() {
    bookViewerClose();
    imageViewerClose();

    if (imageSlideShowPlay) imageSlideShowToggle();
	if ($(".viewer").is(":visible")) {
		$(".viewer").hide("slide", { direction: "left" }, 500);
		$(".viewerBackground").fadeOut(500);
	}
}