var fDesc=new Array(); fDesc[0] = "300 most interesting and innovative maths lessons from classrooms across Australia. It is an exciting online resource for mathematics teachers from 0–12, offering over 175 lesson plans, all of which support current curriculum and teaching strands.maths300 lessons are innovative and easy to use."; 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 = ''; } }