function menu1() { location.href = "http://www.dynamic8.com/products_detail/all/car_charger.html"; }
function menu2() { location.href = "http://www.dynamic8.com/products_detail/all/transmitterallkit.html"; }
function menu3() { location.href = "http://dynamic8.com/products_detail/all/solar_power_charger.html"; }