var fDesc=new Array(); fDesc[0] = "Seismic/Eruption is a program designed for the visualization of seismicity and volcanic activity in space and time. It offers you a large number of pre-defined maps which illustrate the seismicity in various parts of the earth. The program displays both earthquakes and volcanoes."; 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 = ''; } }