function swtch(num, imgname)
    {
    if(document.images)
      {
      if (!( navigator.appName.indexOf("Microsoft") >=0 &&
             navigator.appVersion.indexOf("Mac") >= 0 &&
             parseFloat(navigator.appVersion) <= 4 ))
      {  document[imgname].src = img[num].src; }
    }
}

imgsrc = new Array();

imgsrc [0] =  "img/m1_home_on.gif";
imgsrc [1] =  "img/m2_free_on.gif";
imgsrc [2] =  "img/m3_affiliates_on.gif";
imgsrc [3] =  "img/m4_faq_on.gif";
imgsrc [4] =  "img/m5_contact_on.gif";
imgsrc [5] =  "img/m6_order_on.gif";
imgsrc [6] =  "img/m7_testimonials_on.gif";
imgsrc [7] =  "img/m8_products_on.gif";


imgsrc [10] =  "img/m1_home.gif";
imgsrc [11] =  "img/m2_free.gif";
imgsrc [12] =  "img/m3_affiliates.gif";
imgsrc [13] =  "img/m4_faq.gif";
imgsrc [14] =  "img/m5_contact.gif";
imgsrc [15] =  "img/m6_order.gif";
imgsrc [16] =  "img/m7_testimonials.gif";
imgsrc [17] =  "img/m8_products.gif";



if (document.images != null)
  {
  img = new Array();
  for (i = 0; i < imgsrc.length; i++)
    {
    img[i] = new Image();
    img[i].src = imgsrc[i];
    }
  }