var keyCodes = {
    ALT: 18, BACKSPACE: 8, CAPS_LOCK: 20, COMMA: 188, COMMAND: 91, COMMAND_LEFT: 91, COMMAND_RIGHT: 93, CONTROL: 17, DELETE: 46, DOWN: 40, END: 35, ENTER: 13, ESCAPE: 27, HOME: 36, INSERT: 45, LEFT: 37, MENU: 93, NUMPAD_ADD: 107, NUMPAD_DECIMAL: 110, NUMPAD_DIVIDE: 111, NUMPAD_ENTER: 108,
    NUMPAD_MULTIPLY: 106, NUMPAD_SUBTRACT: 109, PAGE_DOWN: 34, PAGE_UP: 33, PERIOD: 190, RIGHT: 39, SHIFT: 16, SPACE: 32, TAB: 9, UP: 38, WINDOWS: 91
}
function caret(input, begin, end) {
    var npt = input.jquery && input.length > 0 ? input[0] : input, range;
    if (typeof begin == 'number') {
        if (!$(input).is(':visible')) {
            return;
        }
        end = (typeof end == 'number') ? end : begin;
        if (npt.setSelectionRange) {
            npt.selectionStart = begin;
            npt.selectionEnd = end;

        } else if (npt.createTextRange) {
            range = npt.createTextRange();
            range.collapse(true);
            range.moveEnd('character', end);
            range.moveStart('character', begin);
            range.select();
        }
    } else {
        if (!$(input).is(':visible')) {
            return { "begin": 0, "end": 0 };
        }
        if (npt.setSelectionRange) {
            begin = npt.selectionStart;
            end = npt.selectionEnd;
        } else if (document.selection && document.selection.createRange) {
            range = document.selection.createRange();
            begin = 0 - range.duplicate().moveStart('character', -100000);
            end = begin + range.text.length;
        }
        return { "begin": begin, "end": end };
    }
};
$.fn.SendKey = function (keyCode, modifier) {
    var sendDummyKeydown = false;
    if (Object.prototype.toString.call(keyCode) == '[object String]') {
        keyCode = keyCode.charCodeAt(0);
        sendDummyKeydown = true;
    }

    switch (keyCode) {
        case keyCodes.LEFT: {
            if (modifier == undefined) {
                var pos = caret(this);
                caret(this, pos.begin - 1);
                break;
            }
        }
        case keyCodes.RIGHT: {
            if (modifier == undefined) {
                var pos = caret(this);
                caret(this, pos.begin + 1);
                break;
            }
        }
        default: {
            var keydown = $.Event("keydown"),
                keypress = $.Event("keypress"),
                keyup = $.Event("keyup");

            if (!sendDummyKeydown) {
                keydown.keyCode = keyCode;
                if (modifier == keyCodes.CONTROL)
                    keydown.ctrlKey = true;
            }
            $(this).trigger(keydown);
            if (!keydown.isDefaultPrevented()) {
                keypress.keyCode = keyCode;
                if (modifier == keyCodes.CONTROL)
                    keypress.ctrlKey = true;
                $(this).trigger(keypress);
                if (!keypress.isDefaultPrevented()) {
                    keyup.keyCode = keyCode;
                    if (modifier == keyCodes.CONTROL)
                        keyup.ctrlKey = true;
                    $(this).trigger(keyup);
                }
            }
        }
    }
}
$.fn.Type = function (inputStr) {
    var $input = $(this);
    $.each(inputStr.split(''), function (ndx, lmnt) {
        $input.SendKey(lmnt);
    });
}

$.fn.paste = function (inputStr) {
    var $input = $(this);
    $input[0]._valueSet(inputStr);
    $input.trigger('paste');
}