Hi
We have had some similar requests before but we have been more concerned with the risks involved in implementing it through GUI. As a single click will execute a synchronisation job that may go wrong for a user.
So long time back we came up with a solution for this. You can run the SJA to run the jobs that you have saved via command line. Here you can read about it more
>> http://faq.webyog.com/content/27/114/en/introduction-to-the-_sqlyog-job-agent_-sja.html.
Now to execute it in a single click this FAQ answers it completely
>> http://faq.webyog.com/content/27/74/en/how-do-i-execute-a-job-with-sja-with-a-single-mouse_click.html.
Regards