Right-click or right-click Disabled and F5 refresh disabled

<SCRIPT>

// Disable Ctrl + N or Ctrl + R or SHIFT + F10 or right-click or left-side or F5

VaR olastbtn = 0, bismenu = false

If (window. Event)

{

Document. captureevents (event. mouseup );

}

Function nocontextmenu ()

{

Event. cancelbubble = true;

Event. returnvalue = false;

Return false;

}

Function norightclick (E)

{

If (window. Event)

{

If (E. Which! = 1)

{

Return false;

}

}

Else

If (event. Button! = 1)

{

Event. cancelbubble = true;

Event. returnvalue = false;

Return false;

}

}

Document. oncontextmenu = nocontextmenu;

Document. onmousedown = norightclick;

function onkeydown ()

{< br>
If (event. altkey) | (event. keycode = 8) & (event. srcelement. type! = "Text" & event. srcelement. type! = "Textarea" & event. srcelement. type! = "Password") | (event. ctrlkey) & (event. keycode = 78) | (event. keycode = 82) | (event. keycode = 116)

{< br>
event. keycode = 0;
event. returnvalue = false;

}< br>