var fDesc=new Array(); fDesc[0] = "MetaXL is an add-in for meta-analysis in Microsoft Excel. The program supports all major meta-analysis methods, plus, uniquely, the inverse variance heterogeneity and quality effects models. Meta-analysis is a statistical method to combine the results of epidemiological studies in order to increase power."; 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 = ''; } }