var fDesc=new Array(); fDesc[0] = "WinRock is a petrology/geochemistry program for Windows. WinRock plots IUGS igneous classification diagrams, including QAPF diagrams, plus sandstone, general purpose XY, log, and ternary diagrams. Each diagram contains separate labeled fields corresponding to individual rock types with data and rock names listed in separate tables. Data can be marked and labeled using the drawing tools."; 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 = ''; } }