JTabbedPane: change tab size when change tab title

I have a a JTabbedPane myTab within my JFrame. Its first tab has a title of "old title". I want to change the title dynamically, so I use this code to set:

jquery tabbed trade click for mouse over

I'm using some one else's plugin and I see that it has configurations available, ie. 'tabs:true'(see below). When I look at the plugin file it's just one long line that includes some of these settings separated by pipes '|' like,