if (document.images) {
  var i1 = new Image();  i1.src = "/images/page/m/afterorder.gif";
  var i2 = new Image();  i2.src = "/images/page/m/shopdow.gif";
  var i3 = new Image();  i3.src = "/images/page/m/articles.gif";

  var i1on = new Image();  i1on.src = "/images/page/m/afterorder1.gif";
  var i2on = new Image();  i2on.src = "/images/page/m/shopdow1.gif";
  var i3on = new Image();  i3on.src = "/images/page/m/articles1.gif";
}