function get_seconds() {
   today = new Date();
   return today.getTime();
}

function set_title(title) {
   var title_test = "test";
  //if (is_mac() == "false") {
  //   top.frames["header"].document.Show_Title.setString(title.toUpperCase());
  //}
}

function hilite_on(imgName) {
   if (document.images)
      document[imgName].src = eval(imgName + "_on.src");
}

function hilite_off(imgName) {
   if (document.images)
      document[imgName].src = eval(imgName + "_off.src");
}

function load_std_footer() {
   if (top.frames["footer"].document.title != "Standard Footer")
      top.frames["footer"].location.replace("/common-html/footer_std.htm");
}

function is_mac() {
   var os_type = get_os_name();
   var regx = /.*windows.*/i;
   if (regx.test(os_type))
      return "false";
   else
      return "true";
}

function get_os_name() {
   if (navigator.appVersion.indexOf("95") != -1)
      return "Windows 95";
   else if (navigator.appVersion.indexOf("98") != -1)
      return "Windows 98";
   else if (navigator.appVersion.indexOf("16") != -1)
      return "Windows 3.x";
   else if (navigator.appVersion.indexOf("PPC") != -1)
      return "Mac OS";
   else if (navigator.appVersion.indexOf("SunOS") != -1)
      return "Sun OS";
   else if (navigator.appVersion.indexOf("Linux") != -1)
      return "Linux";
   else if (navigator.appVersion.indexOf("NT 5.0") != -1)
      return "Windows 2000";
   else if (navigator.appVersion.indexOf("NT") != -1)
      return "Windows NT";
   else if (navigator.appVersion.indexOf("HP") != -1)
      return "HP UX";
   else
      return "Unknown";
}