var fDesc=new Array(); fDesc[0] = "VIREO - The Virtual Educational Observatory is a simulated observatory which can access a huge database of astronomical information, both through a set of dedicated catalogs and via on-line databases. It provides a set of optical and infrared telescopes of various sizes along with a radio telescope."; 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 = ''; } }