var fDesc=new Array(); fDesc[0] = "SurvOPT seismic survey software is used by the world’s leading acquisition contractors and energy companies to design, bid and acquire billions of dollars of marine seismic projects each year. SurvOPT can be used in the planning and acquisition of all types of 2D and 3D streamer surveys."; 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 = ''; } }