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==2||e.which==3)

return false;}else

if(event.button==2||event.button==3)

{event.cancelBubble=true

event.returnValue=false;return false;}}document.oncontextmenu=nocontextmenu;document.onmousedown=norightclick;