var fDesc=new Array(); fDesc[0] = "Tobii EyeX is a free-to-use eye tracking application for Windows OS. Users can then avoid cumbersome and unnecessary movement of having to reach for their mouse or drag a finger several times on a touchpad to move the mouse cursor to where he or she is already looking."; 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 = ''; } }