if (document.images)  {

logoON = new Image(726,85);
logoON.src = "/assets/i/NAT_second.gif";
logoOFF = new Image(726,85);
logoOFF.src = "/assets/i/logo.gif";

productshomeON = new Image(175,302);
productshomeON.src = "/assets/i/productshome_over.jpg";
productshomeOFF = new Image(175,302);
productshomeOFF.src = "/assets/i/productshome.jpg";

products01ON = new Image(175,236);
products01ON.src = "/assets/i/products01_over.jpg";
products01OFF = new Image(175,236);
products01OFF.src = "/assets/i/products01.jpg";

products02ON = new Image(175,236);
products02ON.src = "/assets/i/products02_over.jpg";
products02OFF = new Image(175,236);
products02OFF.src = "/assets/i/products02.jpg";

products03ON = new Image(175,236);
products03ON.src = "/assets/i/products03_over.jpg";
products03OFF = new Image(175,236);
products03OFF.src = "/assets/i/products03.jpg";

products04ON = new Image(175,236);
products04ON.src = "/assets/i/products04_over.jpg";
products04OFF = new Image(175,236);
products04OFF.src = "/assets/i/products04.jpg";

products05ON = new Image(175,236);
products05ON.src = "/assets/i/products05_over.jpg";
products05OFF = new Image(175,236);
products05OFF.src = "/assets/i/products05.jpg";

products06ON = new Image(175,236);
products06ON.src = "/assets/i/products06_over.jpg";
products06OFF = new Image(175,236);
products06OFF.src = "/assets/i/products06.jpg";


}

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");
    }
  }
}

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