I am using internet explorer,mozilla Firefox,safari how to lock url address in these sites

And how to unlock them

i am using internet explorer,mozilla firefox,safari how to lock url address in these sites

and how to unlock them

Go to the below link which will let you know how to block certain url addresses in IE.

Is there a way to block certain URL's in IE? - Ask Leo! (http://ask-leo.com/is_there_a_way_to_block_certain_urls_in_ie.html)