$(document).ready(function() {
	var fullWidth = $(window).width();
    var fullHeight = $(window).height();
    
    $(window).resize(function() {
        fullWidth = $(window).width();
        fullHeight = $(window).height();
        $('.bg-overlay,.module-popup-bg').css({ 'width': fullWidth, 'height': fullHeight });
        $('.overlay,.module-popup-box').css({ 'left': (fullWidth - 760) / 2 > 0 ? (fullWidth - 760) / 2 : 0, 'top': (fullHeight - 510) / 2.5 > 0 ? (fullHeight - 510) / 2.5 : 0 });
    });

});