function addEvent( obj, type, fn, tmp ) {
        if( obj.attachEvent ) {
                obj["e"+type+fn] = fn;
                obj[type+fn] = function(){obj["e"+type+fn]( window.event );}
                obj.attachEvent( "on"+type, obj[type+fn] );
        } else
                obj.addEventListener( type, fn, false );
}

function removeEvent( obj, type, fn ) {
        if( obj.detachEvent ) {
                obj.detachEvent( "on"+type, obj[type+fn] );
                obj[type+fn] = null;
        } else
                obj.removeEventListener( type, fn, false );
}

var fdTextareaController;

(function() {
        function fdTextareaMaxlength(inp, maxlength) {
                this._inp       = inp;
                this._max       = Number(maxlength);
                var self        = this;

                self.maxlength = function() {
                        if(self._inp.disabled) return false;

                        if(self._inp.value.length > self._max) {
                                self._inp.value = self._inp.value.substring(0, self._max);
                                return false;
                        }

                        return true;
                }


                addEvent(self._inp, 'keypress', self.maxlength, false);

                addEvent(self._inp, 'blur',     self.maxlength, false);

                self.maxlength();
        };

        fdTextareaController = {
                textareas: [],

                _construct: function( e ) {

                        var regExp_1 = /fd_max_([0-9]+){1}/ig;

                        var textareas = document.getElementsByTagName("textarea");

                        for(var i = 0, textarea; textarea = textareas[i]; i++) {
                                if(textarea.className && textarea.className.search(regExp_1) != -1) {
                                        max = parseInt(textarea.className.match(regExp_1)[0].replace(/fd_max_/ig, ''));
                                        if(max) fdTextareaController.textareas[fdTextareaController.textareas.length] = new fdTextareaMaxlength(textarea, max);
                                }
                        }

                },

                _deconstruct: function( e ) {

                }
        }
})();

addEvent(window, 'load', fdTextareaController._construct, false);
addEvent(window, 'unload', fdTextareaController._deconstruct, false);