/**
 * Constructor: Initializes a new instance of the StringBuilder class
 * and appends the given value if supplied
 * @author Aleksandar Vucetic from codeproject
 */
function StringBuilder(value)
{
    this.strings = new Array("");
    this.append(value);
}

/**
 * Appends the given value to the end of this instance.
 */
StringBuilder.prototype.append = function (value)
{
    if (value)
    {
        this.strings.push(value);
    }
}

/**
 * Clears the string buffer
 */
StringBuilder.prototype.clear = function ()
{
    this.strings.length = 1;
}

/**
 * Converts this instance to a String.
 */
StringBuilder.prototype.toString = function ()
{
    return this.strings.join("");
}