function act(imgName) {

  if (document.images)

    document.images[imgName].src = eval(imgName + "On.src");

}



function inact(imgName) {

  if (document.images)

    document.images[imgName].src = eval(imgName + "Off.src");

}



function openWindow(url, width, height, resizable, scrollbars,

                    menubar, toolbar, directories, location, status) {

  var wf = "";

  wf = wf + "width=" + width;

  wf = wf + ",height=" + height;

  wf = wf + ",resizable=" + resizable;

  wf = wf + ",scrollbars=" + scrollbars;

  wf = wf + ",menubar=" + menubar;

  wf = wf + ",toolbar=" + toolbar;

  wf = wf + ",directories=" + directories;

  wf = wf + ",location=" + location;

  wf = wf + ",status=" + status;

  window.open(url,'',wf);

}