replaceBBCodeImage: function(url) {
        if(this.settings['bbCodeImages']) {
            if (!arguments.callee.regExpUrl) {
                arguments.callee.regExpUrl = new RegExp(
                    this.regExpMediaUrl,
                    ''
                );
            }
            if(!url || !url.match(arguments.callee.regExpUrl))
                return url;
            url = url.replace(/\s/gm, this.encodeText(' '));
            var maxWidth = this.dom['chatList'].offsetWidth-50;
            var maxHeight = this.dom['chatList'].offsetHeight-50;
            return  '<a href="'
                    +url
                    +'" onclick="window.open(this.href); return false;">'
                    +'<img onerror="this.parentNode.removeChild(this)" class="bbCodeImage" style="max-width:'
                    +maxWidth
                    +'px; max-height:'
                    +maxHeight
                    +'px;" src="'
                    +url
                    +'" alt="" onload="ajaxChat.updateChatlistView();"/></a>';
        }
        return url;
    },