var fDesc=new Array(); fDesc[0] = "The Spline Standards software calculates gearing data of splines with involute flanks either absolute or similar to the standards. Number of teeth, module and diametral pitch are linked with each other through the formulas, which means that once two parameters have been entered the third will automatically be calculated."; 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 = ''; } }