if (document.images) {
    homeup       = new Image();
    homeup.src   = "/skin/frontend/default/bergarabarrels2010/images/nav_images/home1.jpg" ;
    homedown     = new Image() ;
    homedown.src = "/skin/frontend/default/bergarabarrels2010/images/nav_images/home2.jpg" ;

    productsup       = new Image();
    productsup.src   = "/skin/frontend/default/bergarabarrels2010/images/nav_images/products1.jpg" ;
    productsdown     = new Image() ;
    productsdown.src = "/skin/frontend/default/bergarabarrels2010/images/nav_images/products2.jpg" ;

    processup       = new Image();
    processup.src   = "/skin/frontend/default/bergarabarrels2010/images/nav_images/process1.jpg" ;
    processdown     = new Image() ;
    processdown.src = "/skin/frontend/default/bergarabarrels2010/images/nav_images/process2.jpg" ;

    faqup       = new Image();
    faqup.src   = "/skin/frontend/default/bergarabarrels2010/images/nav_images/faq1.jpg" ;
    faqdown     = new Image() ;
    faqdown.src = "/skin/frontend/default/bergarabarrels2010/images/nav_images/faq2.jpg" ;

    contactup       = new Image();
    contactup.src   = "/skin/frontend/default/bergarabarrels2010/images/nav_images/contact1.jpg" ;
    contactdown     = new Image() ;
    contactdown.src = "/skin/frontend/default/bergarabarrels2010/images/nav_images/contact2.jpg" ;

    storeup       = new Image();
    storeup.src   = "/skin/frontend/default/bergarabarrels2010/images/nav_images/store1.jpg" ;
    storedown     = new Image() ;
    storedown.src = "/skin/frontend/default/bergarabarrels2010/images/nav_images/store2.jpg" ;

    specialup       = new Image();
    specialup.src   = "/skin/frontend/default/bergarabarrels2010/images/nav_images/special1.jpg" ;
    specialdown     = new Image() ;
    specialdown.src = "/skin/frontend/default/bergarabarrels2010/images/nav_images/special2.jpg" ;

    videosup       = new Image();
    videosup.src   = "/skin/frontend/default/bergarabarrels2010/images/nav_images/videos1.jpg" ;
    videosdown     = new Image() ;
    videosdown.src = "/skin/frontend/default/bergarabarrels2010/images/nav_images/videos2.jpg" ;

}
function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src" );
    }
}