(function(jQuery) {
    jQuery.fn.typeWatch = function(o){
        // Options
        var options = jQuery.extend({
            wait : 750,
            callback : function() { },
            highlight : true,
            captureEnter : true,
            minTextLength : 2
        }, o);

        function checkElement(timer, override) {
            var elTxt = jQuery(timer.el).val();

            // Fire if text > options.minTextLength AND text != saved txt OR if override AND text > options.minTextLength
            if ((elTxt.length > options.minTextLength && elTxt.toUpperCase() != timer.text)
            || (override && elTxt.length > options.minTextLength)) {
                timer.text = elTxt.toUpperCase();
                timer.cb(elTxt);
            }
        };

        function watchElement(elem) {
            // Must be text or textarea
            if (elem.type.toUpperCase() == "TEXT" || elem.nodeName.toUpperCase() == "TEXTAREA") {

                // Allocate timer element
                var timer = {
                    timer : null,
                    text : jQuery(elem).val().toUpperCase(),
                    cb : options.callback,
                    el : elem,
                    wait : options.wait
                };

                // Set focus action (highlight)
                if (options.highlight) {
                    jQuery(elem).focus(
                        function() {
                            this.select();
                        });
                }

                // Key watcher / clear and reset the timer
                var startWatch = function(evt) {
                    var timerWait = timer.wait;
                    var overrideBool = false;

                    if (evt.keyCode == 13 && this.type.toUpperCase() == "TEXT") {
                        timerWait = 1;
                        overrideBool = true;
                    }

                    var timerCallbackFx = function()
                    {
                        checkElement(timer, overrideBool)
                    }

                    // Clear timer
                    clearTimeout(timer.timer);
                    timer.timer = setTimeout(timerCallbackFx, timerWait);

                };

                jQuery(elem).keydown(startWatch);
            }
        };

        // Watch Each Element
        return this.each(function(index){
            watchElement(this);
        });

    };

})(jQuery);