var fDesc=new Array(); fDesc[0] = "LabHEART is an easy to use program that simulates the cardiac action potential, calcium transient, and ionic currents. Key parameters such as ionic concentration, stimulus waveform, and channel conductance can easily be changed by a click on an icon or dragging a slider. It is a powerful tool for teaching and researching cardiac electrophysiology."; 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 = ''; } }