function initRollover() {
	YAHOO.util.Dom.addClass('rollover-on', 'not-now');		
}

function rolloverOn() {
	YAHOO.util.Dom.addClass('rollover-off', 'not-now');
	YAHOO.util.Dom.removeClass('rollover-on', 'not-now');		
}

function rolloverOff() {
	YAHOO.util.Dom.addClass('rollover-on', 'not-now');
	YAHOO.util.Dom.removeClass('rollover-off', 'not-now');		
}


YAHOO.util.Event.addListener('rollover-off','mouseover',rolloverOn);
YAHOO.util.Event.addListener('rollover-on','mouseout',rolloverOff);