; INPUT is the structure 'selected'. 'selected' contains the following information: ; selected.tL: start time of the selected time interval ; selected.tR: end time of the selected time interval ; selected.xL: start position of the selected time interval in norm coord ; selected.xR: end position of the selected time interval in norm coord PRO xtplot_tlimit, selected tlimit,selected.tL, selected.tR, /silent END