function addEventSimple(refObj, evt, fnc)
{
	if (refObj.addEventListener)
		refObj.addEventListener(evt, fnc, false);
	else if (refObj.attachEvent)
		refObj.attachEvent("on" + evt, fnc);
}

function removeEventSimple(refObj, evt, fnc)
{
	if (refObj.removeEventListener)
		refObj.removeventListener(evt, fnc, false);
	else if (refObj.detachEvent)
		refObj.detachEvent("on" + evt, fnc);
}