TRIM STRING IN JAVASCRIPT

            function trimAll(sString) {
                while (sString.substring(0, 1) == ' ') {
                    sString = sString.substring(1, sString.length);
                }
                while (sString.substring(sString.length - 1, sString.length) == ' ') {
                    sString = sString.substring(0, sString.length - 1);
                }
                return sString;
            }