var aryImages = new Array(2);

      aryImages[0] = "images/home_02.png";
      aryImages[1] = "images/Portfolio_02.png";
      aryImages[2] = "images/Services_02.png";
      aryImages[3] = "images/Login_02.png";
      aryImages[4] = "images/Contact_02.png";

      for (i=0; i < aryImages.length; i++) {
        var preload = new Image();
        preload.src = aryImages[i];
      }