if (document.images) {
  image0on = new Image();
  image0on.src = "images/nav/home_hilite.jpg";

  image1on = new Image();
  image1on.src = "images/nav/products_hilite.jpg";

  image2on = new Image();
  image2on.src = "images/nav/services_hilite.jpg";

  image3on = new Image();
  image3on.src = "images/nav/company_hilite.jpg";

  image4on = new Image();
  image4on.src = "images/nav/contact_hilite.jpg";

  image0off = new Image();
  image0off.src = "images/nav/home.jpg";

  image1off = new Image();
  image1off.src = "images/nav/products.jpg";

  image2off = new Image();
  image2off.src = "images/nav/services.jpg";

  image3off = new Image();
  image3off.src = "images/nav/company.jpg";

  image4off = new Image();
  image4off.src = "images/nav/contact.jpg";

}



function launchWindow(strFile,w,h)  {

	  var wid = w;
	  var ht = h;
	  var winl = (screen.width-wid)/2;
	  var wint = (screen.height-ht)/2;
	  var theName = "popup";
	  var theOptions = "height=" + ht + ",width=" + wid + ",top=" + wint + ",left=" + winl + ",scrollbars=no,toolbar=no,location=no,status=no,menubar=no,resizable=no,dependent=no";
	  theWin = window.open(strFile, theName, theOptions);
}