var fDesc=new Array(); fDesc[0] = "Ngraph-gtk is an open source program that enables you to create scientific 2-dimensional graphs for researchers and engineers. The program allows you to export the graphs to PostScript, SVG, PNG or PDF format. You can insert text, geometrical figures and parabolas."; 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 = ''; } }