function disable_right_click(e){var a=navigator.appName.substring(0,9);var b=0;if(a=="Microsoft")
b=event.button;else if(a=="Netscape")
b=e.which;if(b==2||b==3){alert("This material is protected by copyright.");return(false);}
return(true);}
function check_mousekey(){var c=93;var d=event.keyCode;if(d==c)
alert("Mouse Key Is Disabled");}
function trap_page_mouse_key_events(){var a=navigator.appName.substring(0,9);document.onmousedown=disable_right_click;if(a=="Microsoft")
document.onkeydown=check_mousekey;else if(a=="Netscape")
document.captureEvents(Event.MOUSEDOWN);}