var fDesc=new Array(); fDesc[0] = "ViPOR determines whether an unelectrified village is best served by a centralized power generation system, isolated renewable power systems at each household, or some combination. It uses an interesting combinatorial optimization algorithm called simulated annealing, which makes it fun to watch because the solution evolves towards the optimum in a random (but controlled) fashion."; 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 = ''; } }