var fDesc=new Array(); fDesc[0] = "CATAN Calculator is a set of tools for the design of overhead power lines. It lets you calculate the Mean Effective Span or Equivalent Span, Tension from Everyday Conditions, Everyday Tension from Final Conditions, Tension, Sag, and Blowout. It also contains Stringing Table and Conductor Libraries."; 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 = ''; } }