var fDesc=new Array(); fDesc[0] = "MatheMax is an entertaining and varied program for practicing basic arithmetic operations. The calculation method is preselectable, including simple counting exercises, addition with symbols, addition/subtraction with different number ranges, and multiplication/division with defined factors as well as mixed mode. One can thus train various learning skills. Optional logfile for tracking learning results. A solution button shows the correct result. Feedback takes the form of a congratulatory graphic and sound. Multilingual version: German, English, Swedish, Italian. Spanish, French, Norwegian."; 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 = ''; } }