function detect_device(){var a;if(/iPhone|iPod|webOS|BlackBerry|Windows Phone|Android/i.test(navigator.userAgent)){a="mobile"}else{if(/(ipad|tablet|(android(?!.*mobile))|(windows(?!.*phone)(.*touch))|kindle|playbook|silk|(puffin(?!.*(IP|AP|WP))))/i.test(navigator.userAgent)){a="tablet"}else{a="desktop"}}return a};