if (document.images) {
    homeup       = new Image();
    homeup.src   = "mediafiles/folkecenter/mainimg/ico_home1.gif"
    homedown     = new Image() ;
    homedown.src = "mediafiles/folkecenter/mainimg/ico_home2.gif"

    soegup       = new Image();
    soegup.src   = "mediafiles/folkecenter/mainimg/ico_search1.gif"
    soegdown     = new Image() ;
    soegdown.src   = "mediafiles/folkecenter/mainimg/ico_search2.gif"

    sitemapup       = new Image();
    sitemapup.src   = "mediafiles/folkecenter/mainimg/ico_sitemap1.gif"
    sitemapdown     = new Image() ;
    sitemapdown.src   = "mediafiles/folkecenter/mainimg/ico_sitemap2.gif"

    mailup       = new Image();
    mailup.src   = "mediafiles/folkecenter/mainimg/ico_mail1.gif"
    maildown     = new Image() ;
    maildown.src   = "mediafiles/folkecenter/mainimg/ico_mail2.gif"

    printup       = new Image();
    printup.src   = "mediafiles/folkecenter/mainimg/ico_print1.gif"
    printdown     = new Image() ;
    printdown.src   = "mediafiles/folkecenter/mainimg/ico_print2.gif"

    dkup       = new Image();
    dkup.src   = "mediafiles/folkecenter/mainimg/ico_da1.gif"
    dkdown     = new Image() ;
    dkdown.src   = "mediafiles/folkecenter/mainimg/ico_da2.gif"

    gbup       = new Image();
    gbup.src   = "mediafiles/folkecenter/mainimg/ico_en1.gif"
    gbdown     = new Image() ;
    gbdown.src   = "mediafiles/folkecenter/mainimg/ico_en2.gif"

function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname+"2" ].src = eval( buttonname + "down.src" );
    }
}
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname+"2" ].src = eval( buttonname + "up.src" );
    }
}