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;