var fDesc=new Array(); fDesc[0] = "This program contains sixteen activities in carefully graded sections. It provides an accessible environment to encourage the learner to move beyond the stage of cause and effect.

Thinking, experimenting, observing and interacting are encouraged by providing simple activities that delight and engage. For example, in the Two Objects section, choose to press the left switch (or spacebar) to make the ballerina dance beautifully or the right switch to let the monster do his crazy dance. Or in Interacting Objects, choose to control a frying pan to try to hit the gopher."; 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 = ''; } }