function getGeoForm(aGeoForm, sDiv) 
	{
	try 
		{
		for (i = 0; (aGeoForm) && (i < aGeoForm.length); i++)
			{
			hide(aGeoForm[i]);
			}

		for (i = 0; (aGeoForm) && (i < aGeoForm.length); i++)
			{
			if (aGeoForm[i] == sDiv)
				{
				show(aGeoForm[i]);
				}
			}
		}
	catch(e) 
		{
		}
	}
	
function unselect(e) {
    var sChoice = e.id;
        for (i=0; i < aFields.length; i++) 
        {
            field = document.getElementById(aFields[i]);
            field.checked = false;           
        }
     field = document.getElementById(sChoice);
     field.checked = true;
}