var fDesc=new Array(); fDesc[0] = "Balancing Act is a java application which is used to test and analyze.

Features:

-Predict how objects of various masses can be used to make a plank balance.
-Predict how changing the positions of the masses on the plank will affect the motion of the plank.
-Write rules to predict which way a plank will tilt when objects are placed on it.
-Use your rules to solve puzzles about balancing."; 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 = ''; } }