var fDesc=new Array(); fDesc[0] = "Wolfram SystemModeler is an easy-to-use modeling and simulation environment for cyber-physical systems. This program comes with a large selection of built-in and expandable modeling libraries. You can build industrial strength, multidomain models of your complete system by simply drag-and-drop."; 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 = ''; } }