// preload images
var image1 = new Image();
image1.src = "/images/home_b.gif";

var image2 = new Image();
image2.src = "/images/intro_b.gif";

var image3 = new Image();
image3.src = "/images/using_b.gif";

var image4 = new Image();
image4.src = "/images/about_b.gif";

var image5 = new Image();
image5.src = "/images/expertise_b.gif";

var image6 = new Image();
image6.src = "/images/apply_b.gif";

var image7 = new Image();
image7.src = "/images/code_b.gif";

var image8 = new Image();
image8.src = "/images/directory_b.gif";

function popup(page, name, width, height)
{
  popupWindow=window.open(page,name,"menubar=no,resizable=yes,scrollbars=yes,width=" + width + ",height=" + height);
  popupWindow.focus();
	popupWindow.opener = window;
}