
<!--
if (document.images) {
    homeOver       = new Image();
    homeOver.src   = "../images/topnav/home.gif" ;
    aboutOver       = new Image();
    aboutOver.src   = "../images/topnav/about_us.gif" ;
    productsOver       = new Image();
    productsOver.src   = "../images/topnav/products.gif" ;
    contactOver       = new Image();
    contactOver.src   = "../images/topnav/contact_us.gif" ;
    
    
    homeOff     = new Image() ;
    homeOff.src = "../images/topnav/home_ovr.gif" ;
    aboutOff     = new Image() ;
    aboutOff.src = "../images/topnav/about_us_ovr.gif" ;
    productsOff     = new Image() ;
    productsOff.src = "../images/topnav/products_ovr.gif" ;
    contactOff     = new Image() ;
    contactOff.src = "../images/topnav/contact_us_ovr.gif" ;
}
function rollOver( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "Off.src" );
    }
}
function rollOut ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "Over.src" );
    }
}
// -->