public static List<String> getPicklistFieldValues
							(String objectName, String pickListFieldName){
        List<String> picklistValues = new List<String>();
        SObjectType objectType = Schema.getGlobalDescribe().get(objectName);
        List<Schema.PicklistEntry> pick_list_values = objectType.getDescribe()
                                                       .fields.getMap()
                                                       .get(pickListFieldName)
                                                       .getDescribe().getPickListValues();
        for (Schema.PicklistEntry aPickListValue : pick_list_values) {                   
            picklistValues.add(aPickListValue.getValue()); 
        }
        return picklistValues;
    }