if (document.images) {
  image1on = new Image();
  image1on.src = "images/index_10_b.gif";
  image2on = new Image();
  image2on.src = "images/index_11_b.gif";
  image3on = new Image();
  image3on.src = "images/index_12_b.gif";
  image4on = new Image();
  image4on.src = "images/index_13_b.gif";
  image5on = new Image();
  image5on.src = "images/index_25_b.gif";
  image6on = new Image();
  image6on.src = "images/index_27_b.gif";
  image7on = new Image();
  image7on.src = "images/index_29_b.gif";
  

  image8on = new Image();
  image8on.src = "images/contact_11_b.gif";	
  image9on = new Image();
  image9on.src = "images/contact_13_b.gif";
  image10on = new Image();
  image10on.src = "images/contact_17_b.gif";
  image11on = new Image();
  image11on.src = "images/contact_18_b.gif";
  
  image12on = new Image();
  image12on.src = "images/gallery_06_b.gif";
  image13on = new Image();
  image13on.src = "images/gallery_08_b.gif";
  image14on = new Image();
  image14on.src = "images/gallery_09_b.gif";
  image15on = new Image();
  image15on.src = "images/gallery_11_b.gif";

  image1off = new Image();
  image1off.src = "images/index_10.gif";
  image2off = new Image();
  image2off.src = "images/index_11.gif";
  image3off = new Image();
  image3off.src = "images/index_12.gif";
  image4off = new Image();
  image4off.src = "images/index_13.gif";
  image5off = new Image();
  image5off.src = "images/index_25.gif";
  image6off = new Image();
  image6off.src = "images/index_27.gif";  
  image7off = new Image();
  image7off.src = "images/index_29.gif";  
  

  image8off = new Image();
  image8off.src = "images/contact_11.gif"; 
  image9off = new Image();
  image9off.src = "images/contact_13.gif";
  image10off = new Image();
  image10off.src = "images/contact_17.gif";
  image11off = new Image();
  image11off.src = "images/contact_18.gif";

  image12off = new Image();
  image12off.src = "images/gallery_06.gif";
  image13off = new Image();
  image13off.src = "images/gallery_08.gif";
  image14off = new Image();
  image14off.src = "images/gallery_09.gif";
  image15off = new Image();
  image15off.src = "images/gallery_11.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");
    }
  }
}