var fDesc=new Array(); fDesc[0] = "With this program, the student assembles the pieces of a jigsaw puzzle. When all the pieces are placed, a colorful animation appears.

There are ten levels of this program. Level 1 has one piece to be moved into its correct position. Level 2 has two pieces, level 3 has three, and so on to Level 10.

This program is provided with four mouse options to put the pieces into their positions. The mouse options are arranged so that the student can gradually learn how to solve the puzzle.

This whole program is linked with background music to keep the student in a relaxed mood.

The finished puzzle, in small size, is shown at the top left corner of the program screen."; 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 = ''; } }