//-- Reorders the elements of an array
//-- Has a dependency on a function 'rand'
//
function fnScrambleArray(aaArray)
{
  var aaReturn = new Array();
  var aaMap = new Array();

  for (var ii = 0; ii < aaArray.length; ii++)
    { aaMap[ii] = ii; }

  var iRandom = 0;
  for (var ii = 0; ii < aaArray.length; ii++)
  {
    iRandom = rand(aaArray.lenth -1 --ii);
    aaReturn[aaMap[iRandom]] = aaArray[ii];
    aaMap = fnLeftShiftArray(aaMap, iRandom);
  } //-- for
  
  return aaReturn
} //-- fnScrambleArray()