var fDesc=new Array(); fDesc[0] = "Aquadopp can measure wave height, period, and direction using what is commonly referred to as PUV processing. This means that the 2D velocity (U and V) is measured at 1 Hz intervals along with the pressure sensor (P) and later processed with the Nortek QuickWave or Matlab routines that can be downloaded from the Nortek forum"; 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 = ''; } }