var fDesc=new Array(); fDesc[0] = "Linear Interpolation Calculator gives you the possibility to interpolate between values to arrive to the correct intermediate result. This is a free application, easy to install, easy to use and with a friendly user interface. Linear Interpolation has many uses, usually in steam tables to find out the unknown value"; 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 = ''; } }