if (document.images) {
  image1off = new Image();
  image1off.src = "buttons/home.gif";
  image2off = new Image();
  image2off.src = "buttons/ourproducts.gif";
  image3off = new Image();
  image3off.src = "buttons/animalhouse.gif";
  image4off = new Image();
  image4off.src = "buttons/naturesmiracle.gif";   
  image5off = new Image();
  image5off.src = "buttons/missinglink.gif";   
  image6off = new Image();
  image6off.src = "buttons/udosoil.gif";
  image11off = new Image();
  image11off.src = "buttons/odour.gif";      
  image7off = new Image();
  image7off.src = "buttons/shopping.gif";
  image8off = new Image();
  image8off.src = "buttons/contact.gif";
  image9off = new Image();
  image9off.src = "buttons/olshopping.gif";  
  image10off = new Image();
  image10off.src = "buttons/condit.gif";    
  image12off = new Image();
  image12off.src = "buttons/links.gif";      
  image13off = new Image();
  image13off.src = "buttons/shademesh.gif";        
    
  image1on = new Image();
  image1on.src = "buttons/home1.gif";
  image2on = new Image();
  image2on.src = "buttons/ourproducts1.gif";
  image3on = new Image();
  image3on.src = "buttons/animalhouse1.gif";
  image4on = new Image();
  image4on.src = "buttons/naturesmiracle1.gif";    
  image5on = new Image();
  image5on.src = "buttons/missinglink1.gif";   
  image6on = new Image();
  image6on.src = "buttons/udosoil1.gif";
  image11on = new Image();
  image11on.src = "buttons/odour1.gif";    
  image7on = new Image();
  image7on.src = "buttons/shopping1.gif";
  image8on = new Image();
  image8on.src = "buttons/contact1.gif";
  image9on = new Image();
  image9on.src = "buttons/olshopping1.gif";  
  image10on = new Image();
  image10on.src = "buttons/condit1.gif";    
  image12on = new Image();
  image12on.src = "buttons/links1.gif";      
  image13on = new Image();
  image13on.src = "buttons/shademesh1.gif";        
  
  image1press = new Image();
  image1press.src = "buttons/home1.gif";
  image2press = new Image();
  image2press.src = "buttons/ourproducts1.gif";
  image3press = new Image();
  image3press.src = "buttons/animalhouse1.gif";
  image4press = new Image();
  image4press.src = "buttons/naturesmiracle1.gif";  
  image5press = new Image();
  image5press.src = "buttons/missinglink1.gif";
  image6press = new Image();
  image6press.src = "buttons/udosoil1.gif";
  image11press = new Image();
  image11press.src = "buttons/odour1.gif";    
  image7press = new Image();
  image7press.src = "buttons/shopping1.gif";
  image8press = new Image();
  image8press.src = "buttons/contact1.gif";
  image9press = new Image();
  image9press.src = "buttons/olshopping1.gif";  
  image10press = new Image();
  image10press.src = "buttons/condit1.gif";    
  image12press = new Image();
  image12press.src = "buttons/links1.gif";      
  image13press = new Image();
  image13press.src = "buttons/shademesh1.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");
    }
  }
}