var fDesc=new Array(); fDesc[0] = "RivCross is a program that integrates tracking and survey data from Vector Magnetics steering tools (ParaTrack tools) and various guidance sources, as well as third party steering tools. The program allows you precision steering and tracking using multiple choices of reference."; 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 = ''; } }