<!--
if (document.images) {
    home       = new Image();
    home.src   = "img/b_home.gif" ;
    homedown     = new Image() ;
    homedown.src = "img/b_home_on.gif" ;

	approach       = new Image();
    approach.src   = "img/b_approach.gif" ;
    approachdown     = new Image() ;
    approachdown.src = "img/b_approach_on.gif" ;

	products       = new Image();
    products.src   = "img/b_products.gif" ;
    productsdown     = new Image() ;
    productsdown.src = "img/b_products_on.gif" ;

	values       = new Image();
    values.src   = "img/b_values.gif" ;
    valuesdown     = new Image() ;
    valuesdown.src = "img/b_values_on.gif" ;

	network       = new Image();
    network.src   = "img/b_network.gif" ;
    networkdown     = new Image() ;
    networkdown.src = "img/b_network_on.gif" ;

	contact       = new Image();
    contact.src   = "img/b_contact.gif" ;
    contactdown     = new Image() ;
    contactdown.src = "img/b_contact_on.gif" ;

	member       = new Image();
    member.src   = "img/b_member.gif" ;
    memberdown     = new Image() ;
    memberdown.src = "img/b_member_on.gif" ;
}
function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + ".src" );
    }
}
// -->