emailgon = new Image();
        emailgon.src = "image_r/emailg1.gif";
        emailgoff = new Image();
        emailgoff.src = "image_r/emailg.gif";
     
function img_on(imgName) {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
}
function img_off(imgName) {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
}
function showTime() {
  var timeNow = new Date();
  var hours = timeNow.getHours();
  var minutes = timeNow.getMinutes();
  var seconds = timeNow.getSeconds();
  var timeString = "";

  timeString += ((hours < 10) ? "0" : "") + hours;
  timeString += ((minutes < 10) ? ":0" : ":") + minutes;
  timeString += ((seconds < 10) ? ":0" : ":") + seconds;

  document.htmlClock.timeField.value = timeString;
  timerID = setTimeout('showTime()', 1000);
  }