Ford: ford brakes, ford f250 4x4, ford f250

Question
my brakes went to almost nothing suddenly and if u drive in reverse and apply them there is next to no brakes at all and its now doing this in drive aswell... my truck is a 1998 ford f250 4x4 gas triton v8

Answer
ok.. first things first... is the brake fluid level ok? after checking that check all 4 wheels for leaks...(Calipers or wheel cyls...) check the pads and or shoes.. after you check all that stull let me know what you find... and we can go from there...