var fDesc=new Array(); fDesc[0] = "ViCalc-Software is a scientific calculator with protocol. With this software you can make Arithmetic operations, Brackets, Memory, Ans, Protocol, Percent, Trigonometric and inverse trigonometric functions, Hyperbolic and inverse hyperbolic functions, Grad, degree and radian, Angle conversion, Constant Pi, Exponential functions, Reciprocal."; 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 = ''; } }