function openFloor(URL)
{
	if (URL != "")
	{
		window.open(URL,'ResidenceHalls',
			'fullscreen=no,scrollbars=yes,menubar=yes,resize=yes,' +
			'directories=no,status=no,toolbar=no,left=0,top=0,' +
			'screenX=0,screenY=0');
		if (document.all)
		{
			hallDisplay.floorPlansIndiv.selectedIndex = 0;
			hallDisplay.floorPlansLevel.selectedIndex = 0;
		}
	}
	else
	{
		alert("Please select a room number.");
		if (document.all)
		{
			hallDisplay.floorPlansIndiv.focus();
		}
	}
}