var fDesc=new Array(); fDesc[0] = "Bison for Windows is a general purpose parser generator that converts a grammar description for an LALR(1) context-free grammar into a C program. It can be used to develop a wide range of language parsers, from ones used in simple desk calculators to complex programming languages."; 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 = ''; } }