events: function(){
            var
                plus = 'input[name="zform_height_plus"]',
                minus = 'input[name="zform_height_moins"]';

            $("._height_button").bind('click', function() {
                var
                    val = $(this).prev("input").val(),
                    parent = $(this).parent("div"),
                    next = parent.next(".zform:first"),
                    textarea = $("textarea", $(next));

                if (val >= sdz.initHeight) {
                    textarea.css('height', val);
                }
            });

            $("._height").bind("keypress", function (e) {
                if (e.type === 'keypress') {
                    if (e.keyCode === 13){
                        $(this).next("._height_button:first").trigger("click");
                        return false;
                    }
                }
            });

            $(plus   ", "   minus).bind('click', function(){
                var
                    parent = $(this).parent("div"),
                    next = parent.next(".zform:first"),
                    textarea = $("textarea", $(next)),
                    nudge = 50,
                    newHeight = 0;

                    if ($(this).attr("name") === "zform_height_moins") {
                        nudge = -50;
                    }

                    newHeight = textarea.height()   nudge;
                    if (newHeight >= sdz.initialHeight) {
                        textarea.css('height', newHeight);
                    }
            });
        }