hello respected Tylerdowner Sir, I am really grateful to you for giving sharing your previous knowledge with me, Sir I have already used latest version but it did not go with my requirement, sir using latest version of firefox at peak session of server it took a lot of time for transaction, I am software engineer but i am jobless i am able to make web site using dit.net c# and php i can make both type of application web and windows but i am job less thatr's why i am making and selling ticket in india, at the peak hour of server old version of firefox take two or three mintus for transaction within two or three minutes all ticket get sold so i have to do transaction with two min so to help me if i make my browser how it is posiible please send me study material sunil tiwari