var fDesc=new Array(); fDesc[0] = "Ustc is a tension calculator for strings, in case you get tired of spread sheets. It is easy to use and basically self-explanatory. You can use it for different numbers of courses, or octave strung courses. You chose the note or octave, string gauge and type and tension per string."; 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 = ''; } }