if (window.Event)

  document.captureEvents(Event.MOUSEUP);

function nocontextmenu()

{

	event.cancelBubble = true

	event.returnValue = false;

	return false;

}

document.oncontextmenu = nocontextmenu;

function disableselect(e)

{

return false

}

function reEnable(){

return true

}

document.onselectstart=new Function ("return false")

if (window.sidebar){

document.onmousedown=disableselect

document.onclick=reEnable

}