var fDesc=new Array(); fDesc[0] = "NavPak is a full featured GPS navigation program, available in Professional and Lite editions for PC computers, and two Pocket Editions for Pocket PC computers. All editions feature stable, high speed graphics, which handle a wide variety of chart formats. Compatible with commercially available digital charts, and USGS Topographical maps, or scan your own charts and maps. It is compatible with virtually all GPS units and other instruments that send NMEA compatible data. NavPak was designed for marine navigation, and it is also being used for aeronautical navigation, off road navigation, oceanographic research, and surveying."; 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 = ''; } }