var fDesc=new Array(); fDesc[0] = "Geometry Calculator is a useful tool for math calculations. There are Four sections to choose from: Circumference and Diameter, Area, Surface Area and Volume. For the calculations used in this program "Pi" has been rounded off to 10 decimal places. Input your data and start calculate."; 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 = ''; } }