Deleted them? what did you do? I don't know of any way to, really, delete
What do you see when you select View|Toolbars, or are you missing that too?
If are in Full Screen mode, and don't see any toolbar, hit F11.
UserAgent: Mozilla/5.0 (Windows NT 5.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1
A minority may be right, and a majority is always wrong
~ Henrik Ibsen
WinXP, SP3, 512 MB, SM2.17.1, FF21, TB17.O.5, IE8.0, Google Chrome 26, Ghostwall , Kingsoft5.6, JRE1.7_21.