function Trim (String)
{
	if (String != null)
	{
	  var start = 0 ;
	
	  var end = String.length - 1 ;

	  while (start < end && (String.charAt(start) == " " || String.charCodeAt(start) == 13 || String.charCodeAt(start) == 10)) start++ ;
	
	  while (end >= 0 && (String.charAt(end) == " " || String.charCodeAt(end) == 13 || String.charCodeAt(end) == 10)) end-- ; 
	
	  if (end < start) return "" ;
	
	  return String.substring(start, (end + 1)) ;
	}	
	else
	{
		return String;
	}
}