Just the same domain, using the following code, you can let your computer and mobile phone show different contents. We have to design 2 pages, all named index.php, the first one will be put at your host root, and the other one will be put under wap.
Cheap Prescription Glasses, and Non-Prescription Glasses.
Cheap Prescription Glasses Mobile
Cheap Non-Prescription Glasses Mobile
Live Demo: www.cheapglasses.mobi