var fDesc=new Array(); fDesc[0] = "Shapes and Nets gives a practical application for traditional geometrical concepts, and helps to improve the ability to recognise, visualise, represent, and transform 2D and 3D shapes. Most of us take geometry for granted, but using Shapes and Nets will help children apply their spatial awareness and knowledge of the properties of shapes and space to the real world."; 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 = ''; } }