var fDesc=new Array(); fDesc[0] = "GLG-Plates is used by undergraduate students to reconstruct ancient continents. Plate models containing pole data extracted from the published literature are provided. The plate models may be animated. In addition, there are tools for the creation of new plates and additional plate models."; 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 = ''; } }