var fDesc=new Array(); fDesc[0] = "Left 4 Dead 2 Authoring Tools, also known as an SDK, is a set of utilities that allow you to create your own levels, campaigns, common Infected and other gameplay elements. They include versions of Source SDK tools that have been updated to work with the Left 4 Dead 2 version of the Source Engine."; 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 = ''; } }