$(document).ready(function () {
	if ($(".becool_fly_layer").length == 0)
		return;
    var pos = $(".becool_fly_layer").attr("pos");
    pos = "{\"" + pos.replace(/,/g, ",\"").replace(/:/g, "\":") + "}";
    var posjson = $.evalJSON(pos);
    if (posjson.left == undefined)
        posjson.left = null;
    else {
        posjson.left = $(this).scrollLeft() + posjson.left;
    }
    if (posjson.right == undefined)
        posjson.right = null;
    if (posjson.top == undefined)
        posjson.top = null;
    if (posjson.bottom == undefined)
        posjson.bottom = null;
    if (posjson.vertical_center != undefined) {
        posjson.top = ($(window).height() - $(".becool_fly_layer").height()) / 2 + posjson.vertical_center;
    }
    if (posjson.horizontal_center != undefined) {
        posjson.left = ($(window).width() - $(".becool_fly_layer").width()) / 2 + posjson.horizontal_center;
    }
    $(".becool_fly_layer").css("position", "absolute").css("left", posjson.left).css("right", posjson.right).css("top", $(this).scrollTop() + posjson.top).css("bottom", posjson.bottom);  
    $(window).scroll(function () {
        $(".becool_fly_layer").css("position", "absolute").css("left", posjson.left).css("right", posjson.right).css("top", $(this).scrollTop() + posjson.top).css("bottom", posjson.bottom);  
    })
});