/*<!---------------------------------------------------------   
Project: GCSS-AF Website                            

File Name: trim.js                             	
Purpose: Left trim string (LTrim), right trim string (RTrim) and trim string left and right (Trim). 
$Author:   neuhard  $
$Modtime:   May 12 2004 11:03:28  $
$Revision:   1.0  $
$Log:   Q:\SEIT_PvcsRepository\archives\outreach\js\trim.js-arc  $

   Rev 1.0   Mar 30 2006 10:43:46   neuhard
Initial revision.
__________________________________________________________
Creation History:  
Author:	 Michelle Ruan Created:	05/12/2004
-------------------------------------------------------------->
*/

function LTrim(str){
   var whitespace = new String(" \t\n\r");
   var s = new String(str);

   if (whitespace.indexOf(s.charAt(0)) != -1){
      var j=0, i = s.length;

      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;

      s = s.substring(j, i);
   }
   return s;
}

function RTrim(str){
   var whitespace = new String(" \t\n\r");
   var s = new String(str);

   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
      var i = s.length - 1;       // Get length of string

      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;

      s = s.substring(0, i+1);
   }
   return s;
}

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