pdate1_dz1:=1150327;ptime1_dz1:=151100;
pdate2_dz1:=1150330;ptime2_dz1:=134200;
drawline(date=pdate1_dz1 and time=ptime1_dz1,l,date=pdate2_dz1 and time=ptime2_dz1,l,3);
ss:LINEVALUE(date=pdate1_dz1 and time=ptime1_dz1,l,date=pdate2_dz1 and time=ptime2_dz1,l,0,0 );