Hi,
Your Window Contains 4 tabs, So it is Better U can differentiate those Tabs by using Set To Property.
It is for First Tab
Javawindow("window name").JavaInternalFrame("Frame name").JavaTab("Tab name').Set To Property("index",1")
Javawindow("window name").JavaInternalFrame("Frame name").JavaTab("Tab name').click
similary for 2nd Tab
Javawindow("window name").JavaInternalFrame("Frame name").JavaTab("Tab name').Set To Property("index", "2")
Javawindow("window name").JavaInternalFrame("Frame name").JavaTab("Tab name').click
So It is Better U can Differentiate those Tabs.