/* --------------------------------
** FUNCTION:
**   fnGetFileNameFromURLString 
** DESCRIPTION:
**   This function removes the host name portion
**   of a url string including the protocol string
**   if there is one.
** DEPENDENCIES:
**   fnReverseString
**   fnTrimLeadingSpaceFromString
** SEE ALSO:
** DATE:
** 
   -------------------------------- */

function fnGetFileNameFromURLString(sURLString) 
{                                      

  //-- Verify parameters
  if (sURLString == null)
  {
    //-->-->-->-->-->-->-->-->-->-->-->-->
    //-- write out some nasty error message
    //-- somewhere, mortally insulting the programmer
    //-- for such a ridiculous error
    return -1;
  }

  var sReturn     = sURLString;
  var iIndex      = 0;

  sReturn = fnReverseString(sReturn);
  sReturn = fnStripLeadingSpaceFromString(sReturn);

  iIndex = sReturn.indexOf("/");
  sReturn = sReturn.substring(0, iIndex);
  sReturn = fnReverseString(sReturn);

  return sReturn;

} //-- fnGetFileNameFromURLString()