var fDesc=new Array(); fDesc[0] = "OpenCPN is a chartplotter navigation software designed to be used at the helm station of your boat. It lets you chart a course and track your position right from your laptop. It can also accept AIS input for target-tracking and collision alerting. AIS for automatic MOB handling is also possible with SART having selectable MMSI."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }