var fDesc=new Array(); fDesc[0] = "Torres Box Tuning Calculator is a free program that allows you to calculate the box and port dimensions for your audio speaker. The program has individual inputs for bracing and subwoofer displacement, port ratio box, metric in millimeters and centimeters."; 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 = ''; } }