Wow, Its clearly noted that its Java and you keep telling to use POWL Image may be NSFW.
Clik here to view.
Anyhow, please understand before posting,
Even though you can be on NW 7,3 you don't need necessarily need to WD ABAP as to enable this its a whole new implementation
now coming back to the issue :
here check this
http://scn.sap.com/thread/1360537 In your case if buttons disappear please check the personalization etc also you can make a transactional iview of report RPTARQAPP which many customers have done in java version enable mass approvals and single click, so you have both options
