var fDesc=new Array(); fDesc[0] = "Euler Math Toolbox is a powerful math program combining numerical and symbolic tools package. The program allows you to present results with nice graphics, which can be exported to files, web pages or can be pasted into presentations. You can do quick and reliable numerical computations using real or complex numbers, intervals, vectors or matrices."; 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 = ''; } }