It's a very common requirement to show hint in textbox when empty
and when textbox gets focus hint goes away.now a days many websites
implemented showing hint.there are many ways to do that by jquery.

Do you have problem of receiving "Fatal error undefined function is_network_admin()" when you login to wordpress admin after updating WordPress.

here i am guiding you to download the best
ajax control toolkit of asp.net

if we need some fields from different tables
temporarily in our software or application then

There are many number of joomla template and extension providers in the competition. But some are quiet outstanding.. Here are some of the Joomla Templates and Extensions providers that attracts with best support.

Facebook Graph Api enables to post to any public page/profile wall
on behalf of any user.In the following codes i show how using
fb javascript sdk-

Does your Wordpress site showing "Briefly unavailable for scheduled maintenance" after you fininshing automatic upgrade?