var fDesc=new Array(); fDesc[0] = "Extech Instruments RH520A allows you to download, display, and store up to 49,000 temperature and humidity readings on your PC. The data is stored in TXT, CVS, or XML format that can then be opened in ExChart or other popular spreadsheet and data processing software programs. The program will also calculate and display Dew point, Wet bulb, and mixed ratio in GPP."; 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 = ''; } }