function hideunhide(divID) {
	//loop through all the divIDs.  Turn off if it's not supposed to be on and on it if is
	for (ctr=1;ctr<=15;ctr=ctr+1)
	{
		//get the id of the box to show or hide (add the 0 to numbers under 10.  example: 01)
		if (ctr < 10)
		{
			currentid = "enn0"+ctr;
		} else {
			currentid = "enn"+ctr;
		}
		
		//get the item
		var item = document.getElementById(currentid);
		//check to see if this id is the one to hide/show
		if (item)
		{
			if (currentid == divID)
			{
				//if this is the id submitted, either hide or show (opposite of current status)
				item.className=(item.className=='hidden')?'unhidden':'hidden';
			} else {
				//if it is not the current id, hide
				item.className='hidden';
			}
		}
	}

}