#nav { POSITION: relative }
#phase_preclinical_mo { LEFT: 0px; POSITION: absolute; TOP: 15px; VISIBILITY: hidden }
#phase_one_mo { LEFT: 0px; POSITION: absolute; TOP: 15px; VISIBILITY: hidden }
#phase_two_mo { LEFT: 0px; POSITION: absolute; TOP: 15px; VISIBILITY: hidden }
#phase_three_mo { LEFT: 0px; POSITION: absolute; TOP: 15px; VISIBILITY: hidden }
#phase_filed_mo { LEFT: 0px; POSITION: absolute; TOP: 15px; VISIBILITY: hidden }