if($('.results').length) {
	// Infinite Scroll
	(function($) {
	    $.fn.infinitescroll = function(options) {
	        return $(this).each(function() {
	            var el = $(this);
	            var settings = $.extend({
	                    url: null,
	                    triggerAt: 300,
	                    page: 2,
	                    appendTo: '.list tbody',
	                    container: $(document),
	                    pages: 0,
	                    query: null,
	                    sid: null,
	                    did: null
	                }, options);
	            var req = null;
	            var maxReached = false;
	            var infinityRunner = function() {
	                if (settings.url !== null) {
	                    if  (settings.force || (settings.triggerAt >= (settings.container.height() - el.height() - el.scrollTop()))) {
	                        settings.force = false;
	                        // if the request is in progress, exit and wait for it to finish
	                        if (req && req.readyState < 4 && req.readyState > 0) {
	                            return;
	                        }
	                        //start of a request
	                        else
	                        {
	                        	//show loading
	                        	$('.loading').show();
	                        }
	                        $(settings.appendTo).trigger('infinitescroll.beforesend');
	                        req = $.get(settings.url, 'page='+settings.page+'&pages='+settings.pages+'&query='+settings.query+'&sid='+settings.sid+'&did='+settings.did, function(data) {
	                        	if (data !== '') {
	                                if (settings.page > 1) {
	                                    $(settings.appendTo).append(data);
	                                } else {
	                                    $(settings.appendTo).html(data);
	                                }
	                                settings.page++;
	                                $(settings.appendTo).trigger('infinitescroll.finish');
	                                
	                            } else {
	                                maxReached = true;
	                                $(settings.appendTo).trigger('infinitescroll.maxreached');
	                            }
	                        	//end request, hide loading
	                            $('.loading').hide();
	                        }, 'html');
	                    }
	                }
	            };
	            
	            el.bind('infinitescroll.scrollpage', function(e, page) {
	                settings.page = page;
	                settings.force = true;
	                infinityRunner();
	            });
	
	            el.scroll(function(e) {
	                if (!maxReached) {
	                    infinityRunner();
	                }
	            });
	
	            // Test initial page layout for trigger
	            infinityRunner();
	        });
	    };
	})(jQuery);
}