var fDesc=new Array(); fDesc[1] = "users. When we open the program we can find two toolbars in the top toolbar have the same functions that the vertical toolbar and one window. In the first toolbar in the button File can: open, save, back or forward, print and more."; fDesc[2] = "higher required."; function tCollapseAll(maxID) { document.getElementById("alls_action").innerHTML = "Expand descriptions"; var id=1; for (id=1; id <= maxID; id++) { if (document.getElementById("desc_" + id)) tShowHide(id, 2); } } function tExpandAll(maxID) { document.getElementById("alls_action").innerHTML = "Collapse descriptions"; var id=1; for (id=1; id <= maxID; id++) { if (document.getElementById("more_" + id)) tShowHide(id, 1); } } function tShowHide(id, show) { var s = document.getElementById("more_" + id); if ((s.innerHTML!=fDesc[id] || show==1) && show!=2) { s.innerHTML = fDesc[id]; } else { s.innerHTML = '...'; } }