<!-- Hide from old browsers
	var whitespace = " \t\n\r";
	var defaultEmptyOK = false;

	function isEmpty(s)
	{  return ((s == null) || (s.length == 0))
	}
	function isWhitespace (s)
	{  var i;
 	  // Is s empty?
 	  if (isEmpty(s)) return true;

 	   // Search through string's characters one by one
 	   // until we find a non-whitespace character.
 	   // When we do, return false; if we don't, return true.
 	   for (i = 0; i < s.length; i++)
 	   {   
 	       // Check that current character isn't whitespace.
 	       var c = s.charAt(i);
	
 	       if (whitespace.indexOf(c)== -1) return false;
 	   }
	
 	   // All characters are whitespace.
	    return true;
	}

    function isEmail (s)
    {
           if (isEmpty(s))
           // is s whitespace?
           if (isWhitespace(s)) return false;
 
           // there must be >= 1 character before @, so we
           // start looking at character position 1
           // (i.e. second character)
           var i = 1;
           var sLength = s.length;
 
           // look for @
           while ((i < sLength) && (s.charAt(i) != "@"))
           { i++
           }
           if ((i >= sLength) || (s.charAt(i) != "@")) return false;
           else i += 2;
 
           // look for .
           while ((i < sLength) && (s.charAt(i) != "."))
           { i++
           }
 
           // there must be at least one character after the .
           if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
           else return true;
    }

	function isCharsInBag (s, bag)
	{  
		var i;
		var str;
		str=String(s)
		//s = str.toLower();
		// Search through string's characters one by one.
		// If character is in bag, append to returnString.
	    for (i = 0; i < s.length; i++)
		{   
			// Check that current character isn't whitespace.
			var c = s.charAt(i);
			if (bag.indexOf(c) == -1) return false;
		}
		return true;
	}

//-->