Content Timers
JS ALTERNATIVE:

<script>
/*********************************************************************************
 *
 * CONTENT TIMER (use only for non-critical apps, client system-time dependent!)
 * Shows/hides content segment between given times
 *
 * PARAMETERS:
 * container id	(content will NOT break before/after)
 * mode			('show'/'hide')
 * active		(time/date when mode activated: 	'mm/dd/yyyy[ hh:mm AM/PM]')
 * incative		(time/date when mode deactivated: 	'mm/dd/yyyy[ hh:mm AM/PM]')
 *
 *********************************************************************************/

function contentTimer(container,mode,active,inactive){
	now_date=new Date();
	in_date=new Date(active);
	out_date=new Date(inactive);
	// hide from active to inactive
	if(mode=='hide'){
		var show_hide1='none';
		var show_hide2='inline';
	// show from active to inactive
	}else{
		var show_hide1='inline';
		var show_hide2='none';
	}
	if((in_date.getTime() <= now_date.getTime()) && (out_date.getTime() > now_date.getTime())){
		document.getElementById(container).style.display=show_hide1;
	}else{
		document.getElementById(container).style.display=show_hide2;
	}
}
</script>