var fDesc=new Array(); fDesc[0] = "The S-Pillar software is used for stone mine pillar design. The calculation methods used in S-Pillar are based on observation of actual pillar performance in 34 different underground operations in the eastern and midwestern United States."; 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 = ''; } }