var fDesc=new Array(); fDesc[0] = "WTides is a free program that uses harmonics data to predict tide heights at many locations throughout the World, and displays a graph of the results according to the time zone of the target location. The tide graph can be overlaid with a solunar chart to give an interesting version of the Maori Fishing Calendar. The program runs on any version of Microsoft Windows from Windows 95."; 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 = ''; } }