var fDesc=new Array(); fDesc[0] = "Class One Software released Math Stars Plus in 2007 to improve and expand upon our popular Math Stars program. The basic module of Math Stars Plus challenges students to complete all fact groups up to a selectable number. As each function (+ - x /) is successfully completed, the student earns a STAR. When 4 stars have been earned, the student's name is entered into the Hall of Fame. The program records every problem the student attempts and can be set to use the student's previous data in selecting new problems."; 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 = ''; } }