[Deff]

Spark,
Тады так:

// URI
            var regexUrl = /(https?):\/\/((?:[a-z0-9.-]|%[0-9A-F]{2}){3,})(?::(\d+))?((?:\/(?:[a-z0-9-._~!$&'()*+,;=:@]|%[0-9A-F]{2})*)*)(?:\?((?:[a-z0-9-._~!$&'()*+,;=:\/?@]|%[0-9A-F]{2})*))?(?:#((?:[a-z0-9-._~!$&'()*+,;=:\/?@]|%[0-9A-F]{2})*))?/i;
            function UriCallback(m,p1,p2,p3,p4,p5,p6,p7,p8,p9)
            {
            if(m.match(/(http:\/\/[^\s\?]+)\.(?:jpg|jpeg|gif|png)/ig)==null)
              {
                this.uri_count = ++this.uri_count || 0;
                var a_uri = '#uri_' + this.uri_count;
                if(opt.images)
                {
                    var ext = m.match(/\.([a-z0-9]+)$/i);
                    if(ext != null)
	    var rep = /[?]/;
	    if (rep.test(value))
	    {value = value.replace(rep, ''); input.value = value;} 
                    {
                        if( ext[1] == "jpg" || ext[1] == "jpeg" || ext[1] == "gif" || ext[1] == "png" )
                        {
                            var img = new load_image(m);
                            img.load = function () {
                                var w = img.width;
                                var h = img.height;
                                var max = 300;
                                if(w > max)
                                {
                                    w = max;
                                    var p = img.width / max;
                                    h = img.height / p;
                                }
                                if(h > max)
                                {
                                    h = max;
                                    var p = img.height / max;
                                    w = img.width / p;
                                }
                                var img_html = '<img src="'+m+'" style="width:'+w+'px; height:'+h+'px;">';
                                if(images_count++ < opt.max_images)
                                {
                                    setTimeout(function () {
                                        $(a_uri).html(img_html);
                                        if(opt.scroll)
                                            Messages.scroll(1);
                                    }, 1);
                                }
                            }
                        }
                    }
                }
                return '<a id="uri_'+this.uri_count+'" href="'+m+'" target="_blank">'+m+'</a>';
            }
            msg = msg.replace(regexUrl, UriCallback);
          }
        }