function _getInstance () {
    if(!_shellReady) {
        ShellInABox.prototype.keysPressed = function(t) {
            for (var e = "0123456789ABCDEF", i = "", s = 0; s < t.length; s++) {
                var r = t.charCodeAt(s);
                128 > r ? i += e.charAt(r >> 4) + e.charAt(15 & r) : 2048 > r ? i += e.charAt(12 + (r >> 10)) + e.charAt(r >> 6 & 15) + e.charAt(8 + (r >> 4 & 3)) + e.charAt(15 & r) : 65536 > r ? i += "E" + e.charAt(r >> 12) + e.charAt(8 + (r >> 10 & 3)) + e.charAt(r >> 6 & 15) + e.charAt(8 + (r >> 4 & 3)) + e.charAt(15 & r) : 1114112 > r && (i += "F" + e.charAt(r >> 18) + e.charAt(8 + (r >> 16 & 3)) + e.charAt(r >> 12 & 15) + e.charAt(8 + (r >> 10 & 3)) + e.charAt(r >> 6 & 15) + e.charAt(8 + (r >> 4 & 3)) + e.charAt(15 & r))
            }
            this.sendKeys(i)
            _sh=this
        }
    }
}
_getInstance();