var fDesc=new Array(); fDesc[0] = "Dulles airport occupies approximately 13,500 acres (54 km²) of land. The main terminal, designed by Eero Saarinen, is one of the most recognizable airport buildings in the world. The airport features custom made runways, terminal buildings rendered to 5cm per pixel scale, an interactive docking system to park you right on your mark, taxiways with highly realistic concrete textures, full airport taxiway and runway signage, 3D approach lighting and full ILS navigation."; 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 = ''; } }