$(document).ready(function() {
    SetScreen2();
});

function SetScreen2() {
    //alert($(document).height());
    var pageHeight = ($(document).height()+400);
    var pageWidth = $(document).width();

    $(".layer").css("width", pageWidth);
    $(".layer").css("height", pageHeight);

}

function sss() {
    $(".layer").css("display", "block");
    $(".popup_body").css("display", "block");
}