public void Add_Possible_Web_Skin(string Web_Skin_Code )
{
// Make sure this collection has been defined
if (PossibleSkins == null)
{
PossibleSkins = new List<string> {Default_Web_Skin.ToLower()};
}
if (!PossibleSkins.Contains(Web_Skin_Code.ToLower()))
PossibleSkins.Add(Web_Skin_Code.ToLower());
}