var fDesc=new Array(); fDesc[0] = "Make learning exciting with challenging activities. Learn by exploring and experimenting. Study realistic troubleshooting activities and teach practical skills. No curriculum, textbook or lesson plan changes are required. Simply load our software on your computers and assign the appropriate activities."; 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 = ''; } }