var fDesc=new Array(); fDesc[0] = "The Airfoil Design Workshop is a unique piece of software designed for aircraft designers and/or modelers who like to design and create their own aircraft plans.

The software allows users to graphically display common .DAT format airfoil data files available from airfoil databases on the web.

The airfoil shapes can be modified interactively within the program and saved as new airfoil data files.

Scaled airfoils can be exported as DXF files for import into popular CAD programs."; 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 = ''; } }