var mobile = (/iphone|ipad|ipod|android|blackberry|symbian|mini|windows\sce|palm/i.test(navigator.userAgent.toLowerCase()));  
    if (mobile) {  
        if (screen.width <= 730 || screen.height <= 730) {
            window.location.href = "http://www.fried-onions.com/mobile";
        }    
    }