function disable_right_click(e)

{

    var browser = navigator.appName.substring ( 0, 9 );

    var event_number = 0;

    if (browser=="Microsoft")

        event_number = event.button;

    else if (browser=="Netscape")

        event_number = e.which;



    if ( event_number==2 || event_number==3 )

        {

        alert ("Right Mouse Button Is Disabled");

        return (false);

        }



    return (true);

}



function check_mousekey ()

{

    var mouse_key = 93;

    var keycode = event.keyCode;



    if ( keycode == mouse_key )

        alert ( "Mouse Key Is Disabled" );

}



function trap_page_mouse_key_events ()

{

    var browser = navigator.appName.substring ( 0, 9 );



    document.onmousedown = disable_right_click;



    if ( browser == "Microsoft" )

        document.onkeydown = check_mousekey;

    else if ( browser == "Netscape" )

        document.captureEvents( Event.MOUSEDOWN );

}



window.onload = trap_page_mouse_key_events;