var fDesc=new Array(); fDesc[0] = "The LENTON STEEL FORTRESS design software calculator is used to determine the amount of punching shear reinforcement needed around a column head. The calculator will determine the amount of shear reinforcement you need and the configuration in which to place it. Designs generated by the program are in accordance with v. Post-tensioning and slab openings are taken into consideration."; 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 = ''; } }