if (document.images) {
  login_bg_on = new Image();
  login_edge_on = new Image();
  login_bg_off = new Image();
  login_edge_off = new Image();
  login_bg_on.src = "http://images.mcafee.com/common/nav/persnav_btm_on_1x4.gif";
  login_edge_on.src = "http://images.mcafee.com/common/nav/persnav_btm_left_on_4x4.gif";
  login_bg_off.src = "http://images.mcafee.com/common/nav/persnav_btm_off_1x4.gif";
  login_edge_off.src = "http://images.mcafee.com/common/nav/persnav_btm_left_off_4x4.gif";

  cart_bg_on = new Image();
  cart_bg_off = new Image();
  cart_bg_on.src = "http://images.mcafee.com/common/nav/persnav_btm_on_1x4.gif";
  cart_bg_off.src = "http://images.mcafee.com/common/nav/persnav_btm_off_1x4.gif";

  myaccount_bg_on = new Image();
  myaccount_edge_on = new Image();
  myaccount_bg_off = new Image();
  myaccount_edge_off = new Image();
  myaccount_bg_on.src = "http://images.mcafee.com/common/nav/persnav_btm_on_1x4.gif";
  myaccount_edge_on.src = "http://images.mcafee.com/common/nav/persnav_btm_right_on_4x4.gif";
  myaccount_bg_off.src = "http://images.mcafee.com/common/nav/persnav_btm_off_1x4.gif";
  myaccount_edge_off.src = "http://images.mcafee.com/common/nav/persnav_btm_right_off_4x4.gif";
	
  smbTabon = new Image();
  smbTaboff = new Image();
  smbTabon.src = "http://images.mcafee.com/common/nav/tab_smbOn_190x22.gif";
  smbTaboff.src = "http://images.mcafee.com/common/nav/tab_smbOff_190x22.gif";
  
  enterpriseTabon = new Image();
  enterpriseTaboff = new Image();
  enterpriseTabon.src = "http://images.mcafee.com/common/nav/tab_enterpriseOn_105x22.gif";
  enterpriseTaboff.src = "http://images.mcafee.com/common/nav/tab_enterpriseOff_105x22.gif";
  
  midTab_bw = new Image();
  midTab_ww = new Image();
  midTab_wb = new Image();
  midTab_bw.src = "http://images.mcafee.com/common/nav/tab_mid_bw_5x22.gif";
  midTab_ww.src = "http://images.mcafee.com/common/nav/tab_mid_ww_5x22.gif";
  midTab_wb.src = "http://images.mcafee.com/common/nav/tab_mid_wb_5x22.gif";
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}