HELP "got PIX " suffering plants!!!!!!

im in the 4th week of flowering and my leafs pretty much are all turning yellow mixed with brown i think my 1000 watt hps was too close i tried to flush with water for a while but still the same PLEASE HELP

Do you have a pic of the whole plant, are those leaves from the bottom, top, middle?

it started in the middle and now its spreading thru the rest of the leafs