if (document.images) {
  image1on = new Image();
  image1on.src = "images/_ps_on.gif";

  image2on = new Image();
  image2on.src = "images/_fh_on.gif";

  image3on = new Image();
  image3on.src = "images/_fl_on.gif";

  image4on = new Image();
  image4on.src = "images/_cl_on.gif";

  image5on = new Image();
  image5on.src = "images/_fs_on.gif";

  image6on = new Image();
  image6on.src = "images/_fb_on.gif";
  
  image7on = new Image();
  image7on.src = "images/_f_on.gif";
  
  image8on = new Image();
  image8on.src = "images/_ci_on.gif";
  
  image9on = new Image();
  image9on.src = "images/_anh_on.gif";

    
  image10on = new Image();
  image10on.src = "images/_moa_on.gif";
 
  
  image11on = new Image();
  image11on.src = "images/_oc_on.gif";
 
  
 /* off  */ 
  image1off = new Image();
  image1off.src = "images/_ps_off.gif";

  image2off = new Image();
  image2off.src = "images/_fh_off.gif";

  image3off = new Image();
  image3off.src = "images/_fl_off.gif";

  image4off = new Image();
  image4off.src = "images/_cl_off.gif";

  image5off = new Image();
  image5off.src = "images/_fs_off.gif";
  
  image6off = new Image();
  image6off.src = "images/_fb_off.gif";
  
  image7off = new Image();
  image7off.src = "images/_f_off.gif";
  
  image8off = new Image();
  image8off.src = "images/_ci_off.gif";
  
  image9off = new Image();
  image9off.src = "images/_anh_off.gif";

    
  image10off = new Image();
  image10off.src = "images/_moa_off.gif";

 
  image11off = new Image();
  image11off.src = "images/_oc_off.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");
    }
  }
}

// -->