function popuphandleon(objthis,objevent,popid) {

	var thisdom = document.getElementById?1:0;

	var isIE4 = (document.all && !thisdom)?1:0;
	var isNS4 = (document.layers && !thisdom)?1:0;

//	if ((isIE4 == 1) || (isNS4 == 1))
	if (isIE4 == 1)	
		popupon(tip[popid],document.all || document.layers?event:null);
	else
		showtip(objthis,objevent,popid);

	return false;		

}

function popuphandleoff() {

	var thisdom = document.getElementById?1:0;

	var isIE4 = (document.all && !thisdom)?1:0;
	var isNS4 = (document.layers && !thisdom)?1:0;

//	if ((isIE4 == 1) || (isNS4 == 1))
	if (isIE4 == 1)
		popupoff();
	else
		hidetip();

	return false;
	
}