var fDesc=new Array(); fDesc[0] = "The software Medical Frequency Program � Biopulse can be of 2 modifications. The first variant works without any device just using the soundcard of a computer. Frequency range: 20 Hz - 20000 Hz Frequency spacing: 0,01 Hz The software provides you with frequencies for approximately 1100 diseases."; 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 = ''; } }