(function($) {
    var jGrow = function(k, settings) {
        var $t = k;
        
        var id = "jgrow-" + $t.attr("name");
        var h = $t.css("height");
        h = parseInt(h == "auto" ? "50px" : h);
        var l = $t.css("line-height");
        l = parseInt(l == "normal" ? "16px" : l);
        var v = $t.val().replace(/\n/g, "<br />");
        if (!$("#" + id).length)
        {
            $("<div/>").attr("id", id).css({
            "border": $t.css("border"),
            "font-family": $t.css("font-family"),
            "font-size": $t.css("font-size"),
            "font-weight": $t.css("font-weight"),
            "word-wrap":"break-all",
            "left": "-999px",
            "overflow": "auto",
           /** "padding": $t.css("padding"), **/
            "position": "absolute",
            "top": 0,
            "width": $t.css("width")
            }).html(v).appendTo("body");
        }
        else
        {
            $("#" + id).html(v+'&nbsp;');
        }
        
        var n_h = $.browser.msie ? parseInt($("#" + id).innerHeight()) : parseInt($("#" + id).css("height"));
        if (n_h > parseInt(settings.max_height))
        {
            $t.css({
                "overflow": "auto",
                "height": (parseInt(settings.max_height) + l) + "px"
            });
        }
        else if (n_h > settings.cache_height)
        {
            $t.css("height", n_h + "px");
        }
        else
        {
            var cache_height = isNaN(settings.cache_height) ? 0 : settings.cache_height + 'px';
            $t.css("height", cache_height);
        }
    };

    $.fn.jGrow = function(settings) {
        var settings = $.extend({}, $.fn.jGrow.defaults, settings);

        this.each(function() {
            var $t = $(this);
            $t.css(settings);

            var height = $.browser.msie ? $t.innerHeight() : $t.css('height');
            var c_h = parseInt(height);

            settings.cache_height = c_h;
            
            (new jGrow($(this), settings));
        }).keyup(function() {
            (new jGrow($(this), settings));
        });
    };

    $.fn.jGrow.defaults = {
        max_height : "700px",
        resize : "none",
        overflow : "hidden",
        cache_height: 0
    };

    $.fn.jGrow.version = '0.3.2';

})(jQuery);