// JavaScript Document
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 trap_images_mouse_events ()
{
    if ( document.images )
        {
        for (var pic=0; pic<document.images.length; pic++)
            document.images[pic].onmousedown = disable_right_click;
        }
}

window.onload = trap_images_mouse_events;