if (document.images) {
    ollielookstraight       = new Image();
    ollielookstraight.src   = "/images/ogbg_orig_s.jpg" ;
    ollielookup       = new Image();
    ollielookup.src   = "/images/ogbg_orig_u.jpg" ;
    ollielookleft     = new Image() ;
    ollielookleft.src = "/images/ogbg_orig_l.jpg" ;
    ollielookright     = new Image() ;
    ollielookright.src = "/images/ogbg_orig_r.jpg" ;
}
function lookstraight( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "straight.src" );
    }
}
function lookup( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src" );
    }
}
function lookleft ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "left.src" );
    }
}
function lookright ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "right.src" );
    }
}