var fDesc=new Array(); fDesc[0] = "The Thrust Block Design Program (UPThrust) is an easy to use, user friendly program for the design of thrust blocks. The program was written in Visual Basic version 6.0 by Prof SJ van Vuuren & Mr M van Dijk of SINOTECH cc. The program requires the user to enter the internal pressures, flow rates, diameters, safety factors, bearing capacities of the soil."; 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 = ''; } }