;choosing help restarts the display (by setting NAME="")
SLCTBLK(FORM,SCRNSIZE,EXCLUDE)
;SCRNSIZE is the number of lines available for scrolling
CHOOSE()
;asks the user to select a blk - @ARY@("#", is the aray of blocks displayed so far(subscripted by the number on the list), @ARY@("NAME", the entire array (subscripted by name,ien)
FINDALL()
;finds all of the blocks on FORM (except the one named EXCLUDE) and puts them on @ARY,returns the cound