@Override
		public String webValue(HTTPRequest httpReq, java.util.Map<String,String> parms, String oldVal, String fieldName)
		{
			final String webValue = httpReq.getUrlParameter(fieldName);
			switch(fieldType)
			{
			case ONEWORD:
			case STRINGORNULL:
			case STRING:
			case NUMBER:
				return (webValue == null)?oldVal:webValue;
			case MULTICHOICES:
			{
				if(webValue == null)
					return oldVal;
				String id="";
				long num=0;
				int index=0;
				for(;httpReq.isUrlParameter(fieldName+id);id=""+(++index))
				{
					final String newVal = httpReq.getUrlParameter(fieldName+id);
					if(CMath.s_long(newVal)<=0)
						return newVal;
					num |= CMath.s_long(newVal);
				}
				return ""+num;
			}
			case CHOICES:
				return (webValue == null)?oldVal:webValue;
			case SPECIAL:
				break;
			}
			return "";
		}