var fDesc=new Array(); fDesc[0] = "CALPUFF View is a program for modeling air dispersion. It provides a non-steady state Gaussian puff model, suitable for long range transport. It can also be used for modeling atmospheric chemistry, visibility, and scenarios with complex wind fields(such as coastal and complex terrain areas.)"; 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 = ''; } }