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));
}