function getScrollY() {
    scrollY = 0;   
    if (typeof window.pageYOffset == "number") {
        scrollY = window.pageYOffset;
    } else if (document.documentElement && document.documentElement.scrollTop) {
        scrollY = document.documentElement.scrollTop;
    }  else if (document.body && document.body.scrollTop) {
        scrollY = document.body.scrollTop;
    } else if (window.scrollY) {
        scrollY = window.scrollY;
    }
    return scrollY;
  }
function popup(mask, id) {
	var maskHeight = $(document).height();
    var maskWidth = $(window).width();
    $(mask).css({'width':maskWidth,'height':maskHeight});
    $(mask).fadeIn(1000); 
    $(mask).fadeTo("slow",0.8); 
    var winH = $(window).height();
    var winW = $(window).width();
    $(id).css('top',  getScrollY() + 100);
    $(id).css('left', winW/2-$(id).width()/2);
    $("select, iframe, frame").css("visibility", "hidden");
    $(id).fadeIn(2000);
    $(id).prepend('<a href="#1" onclick="$(\'#mask\').click(); return false;"><img src="/templates/www.planeta-msk.ru/images/close.jpg" style="position:relative; left:670px; top:-10px;"></a>');	
	$("#order_form_reset, #mask").click(function() {
		$(mask).hide();
		$('.window').hide();
        $("select, iframe, frame").css("visibility", "visible");
        return false;
    });
}