protected String getRequirementsDescription(String values)
	{
		if(values==null)
			return "";
		if(values.equalsIgnoreCase("integer")||values.equalsIgnoreCase("int"))
			return " as an integer or integer expression";
		else
		if(values.equalsIgnoreCase("double")||values.equalsIgnoreCase("#")||values.equalsIgnoreCase("number"))
			return " as a number or numeric expression";
		else
		if(values.equalsIgnoreCase("string")||values.equalsIgnoreCase("$"))
			return " as an open string";
		else
		if(values.trim().length()>0)
			return " as one of the following values: "+values;
		return "";
	}