var fDesc=new Array(); fDesc[0] = "PopGene.S2 is a free program that allows you to study population genetics. It consists of eight modules, each one directed for one feature of population genetics. It contains topics such as Allele and genotype frequencies representation, Panimixa, Assortative Matings, Markov process, Gene Flow and Mutation."; 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 = ''; } }