window.ClearEvent=function()
	{
		event.cancelBubble=false;
		var sSrcTagName=event.srcElement.tagName.toLowerCase();
		return (sSrcTagName=="textarea" || sSrcTagName=="input" || sSrcTagName=="select");
		}
window.ClearKey=function()
	{event.cancelBubble=false;
	var iKeyCode=event.keyCode;
	return !(iKeyCode==78 && event.ctrlKey);
	}
with(window.document)
		{
		oncontextmenu=onselectstart=ondragstart=window.ClearEvent;onkeydown=window.ClearKey;
		}