if (document.images) {
    portbuildersup       = new Image();
    portbuildersup.src   = "/themes/saferhome/images/btn_port_builders.gif" ;
    portbuildersdown     = new Image() ;
    portbuildersdown.src = "/themes/saferhome/images/btn_port_builders2.gif" ;

    portinspectorsup       = new Image();
    portinspectorsup.src   = "/themes/saferhome/images/btn_port_inspector.gif" ;
    portinspectorsdown     = new Image() ;
    portinspectorsdown.src = "/themes/saferhome/images/btn_port_inspector2.gif" ;
	
	portmuniup       = new Image();
    portmuniup.src   = "/themes/saferhome/images/btn_port_muni.gif" ;
    portmunidown     = new Image() ;
    portmunidown.src = "/themes/saferhome/images/btn_port_muni2.gif" ;
	
	portpublicup       = new Image();
    portpublicup.src   = "/themes/saferhome/images/btn_port_public.gif" ;
    portpublicdown     = new Image() ;
    portpublicdown.src = "/themes/saferhome/images/btn_port_public2.gif" ;
	
	memberbuttonup         = new Image();
    memberbuttonup.src   = "/themes/saferhome/images/btn_signupmember.gif" ;
    memberbuttondown     = new Image() ;
    memberbuttondown.src = "/themes/saferhome/images/btn_signupmember2.gif" ;
	
	preregbuttonup         = new Image();
    preregbuttonup.src   = "/themes/saferhome/images/btn_preregister.gif" ;
    preregbuttondown     = new Image() ;
    preregbuttondown.src = "/themes/saferhome/images/btn_preregister2.gif" ;
	
	inspectorbuttonup         = new Image();
    inspectorbuttonup.src   = "/themes/saferhome/images/btn_inspector.gif" ;
    inspectorbuttondown     = new Image() ;
    inspectorbuttondown.src = "/themes/saferhome/images/btn_inspector2.gif" ;
	
	tenstepsbuttonup         = new Image();
    tenstepsbuttonup.src   = "/themes/saferhome/images/btn_10steps.gif" ;
    tenstepsbuttondown     = new Image() ;
    tenstepsbuttondown.src = "/themes/saferhome/images/btn_10steps2.gif" ;
	
	productsbuttonup         = new Image();
    productsbuttonup.src   = "/themes/saferhome/images/btn_products.gif" ;
    productsbuttondown     = new Image() ;
    productsbuttondown.src = "/themes/saferhome/images/btn_products2.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 + "up.src" );
    }
}