/* trim the trailing white spaces */
function LTrim(str)
{
  var whitespace = new String(" \t\n\r");
  var s = new String(str);
  if (whitespace.indexOf(s.charAt(0)) != -1) {
    // We have a string with leading blank(s)...
   	var j=0, i = s.length;
    // Iterate from the far left of string until we
    // don't have any more whitespace...
    while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
    j++;
    // Get the substring from the first non-whitespace
    // character to the end of the string...
    s = s.substring(j, i);
  }
  return s;
}


function RTrim(str)
{
  // We don't want to trip JUST spaces, but also tabs,
  // line feeds, etc.  Add anything else you want to
  // "trim" here in Whitespace
  var whitespace = new String(" \t\n\r");
  var s = new String(str);
  if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
    // We have a string with trailing blank(s)...
    var i = s.length - 1;       // Get length of string
    // Iterate from the far right of string until we
    // don't have any more whitespace...
    while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
      i--;
    // Get the substring from the front of the string to
    // where the last non-whitespace character is...
    s = s.substring(0, i+1);
  }
  return s;
}

function Trim(str)
{
  return RTrim(LTrim(str));
}