var fDesc=new Array(); fDesc[0] = "WinGen is an application that generates IRT parameters and item responses. Item response theory (IRT) is a popular and valuable framework for modeling educational and psychological test data, due to attractive properties such as the invariance of item and examinee parameter values. WinGen can generate sets of item parameters and sets of examinee ability parameters to essentially create realistic item response data from various kinds of distributions."; 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 = ''; } }