function highlighter(id)
{
	var onClass="location_address_on";
	var offClass="location_address";
	var idlist = id.toString();
	var element;
	for (i=1; i<=31; i++)
	{
		element = document.getElementById("E" + i);
		if (element) 
		{
			element.className = offClass;
		}
	}
	var ids = idlist.split(",");
	for (i=0; i<ids.length; i++)
	{
		element = document.getElementById(ids[i]);
		if (element) 
		{
			document.getElementById(ids[i]).className = onClass;
		}
	}
}