var fDesc=new Array(); fDesc[0] = "HSC Chemistry 7 contains 22 calculation modules which are connected to 12 databases as appropriate. Most calculation modules operate like independent programs which may have data links with each others. All the calculation modules have their own user interface and manual."; 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 = ''; } }