<!--// changes the background imagefunction divbg(lnk) {	document.getElementById("backgr").style.backgroundImage='url(./img/'+lnk+'.jpg)';}// changes the button graphicsfunction bbg(o, lnk) {	o.style.backgroundImage='url(./img/'+lnk+'.gif)';}// this function determines whether the event is the equivalent of the microsoft // mouseleave or mouseenter events. function isMouseLeaveOrEnter(e, handler) { 	if (e.type != 'mouseout' && e.type != 'mouseover') return false; 	var reltg = e.relatedTarget ? e.relatedTarget : 	e.type == 'mouseout' ? e.toElement : e.fromElement; 	while (reltg && reltg != handler) reltg = reltg.parentNode; 	return (reltg != handler); }//-->
