map does not load in the page.

map is show only if I refresh the page, and it shows well on mobile devices, but not from desktop pc

Hi there, this is a problem inherent to all google maps. Google maps does not like to be hidden in an ajax tab, and will behave as you see. This is well documented and there are fixes available. Here is a thread that explains it in depth: https://stackoverflow.com/questions/9756112/google-maps-wont-work-inside-of-jquery-ui-tabs