string_to_lower_case
This function converts all upper case characters in a string to lower case.
string string_to_lower_case(string the_string)
Parameters:
the_string
The string that will be processed.
Return value:
Returns a string with all upper case letters converted to lower case, or the original string on failure.
Remarks:
All punctuation and lower case characters present in the source string will be kept in tact.
Example:

    void main()
    {
    alert("String_to_lower_case test", string_to_lower_case("I will be converted to lower case."));
    }