var fDesc=new Array(); fDesc[0] = "The CosSinCalc Triangle Calculator is a web application able to calculate the sides, angles and other variables of a triangle, based on just three known sides/angles.

Three variables need to be specified in order to calculate the rest, at least one of them being a side. The text fields labelled with capital letters represent the angles, and the ones labelled with lowercase letters, sides."; 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 = ''; } }