function productSwap(prodName)
{
	
	for (i=0; i<prodTables.length; i++)
	{
		thisTableName = prodTables[i];
		
		thisTable = document.getElementById(thisTableName);
		
		if (thisTable == null)
		{
			alert("Couldn't find nav table " + thisTableName);
			return;
		}
		
		thisTable.style.visibility = (thisTableName == prodName) ? 'visible' : 'hidden';
	}
}