function ParseArray(strArray)
// Assumes: strArray is an array of strings representing numbers
// Returns: a copy of array with items converted to numbers
{
  var copyArray, index;
 
  copyArray = []; // CREATE EMPTY ARRAY TO STORE COPY
  
  index = 0; // FOR EACH ITEM IN strArray
  while (index < strArray.length) { // CONVERT TO NUM AND COPY
    copyArray[index] = parseFloat(strArray[index]);
    index = index + 1;
  }
  return copyArray; // FINALLY, RETURN THE COPY
}