g_bNoClickLoaded = true;
function document_onMouseDown()
{

  var bOK = true;
  
  if ( event.button == 2 || event.button == 3 ) {

    alert( noClickMessage );
    
    bOK = false;
  }

  return bOK;
}

function justReturnFalse()
{
	return false;
}

function document_onSelectStart()
{
	elSource = window.event.srcElement;
	if (elSource.tagName == "TEXTAREA" || elSource.tagName == "INPUT")
	{
		if (elSource.readonly || elSource.disabled)
		{
			return false;
		}
		else
		{
			return true;
		}
	}
	else
	{
		return false;
	}
}

function document_onKeyDown()
{
	if (event.altKey && event.keyCode == 115)
	{
		// Alt+F4
		event.returnValue = false;
		event.cancelBubble = true;
		try{parent.exitFunction();}catch(e){}
		return;
	}
	if (event.keyCode == 116)
	{
		// F5
		event.returnValue = false;
		event.cancelBubble = true;
		return;
	}
}

document.onkeydown = document_onKeyDown;

if ( document.all )
{
  document.oncontextmenu = justReturnFalse;
  document.ondragstart = justReturnFalse;
  document.onselectstart = document_onSelectStart;
}