var fDesc=new Array(); fDesc[0] = "ZWCAD Mechanical is a professional quality 2D sheet drafting tool for mechanical engineers. It provides various tools such as shaft generator, tolerance dimension, surface texture symbol, balloon and BOM, and standards parts for mechanical 2D sheet drawing. Mechanical symbols include surface texture symbols, datum identifiers and targets, taper, center hole, and weld symbols, which improve your design accuracy."; 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 = ''; } }