<!-- hide script from old browsers

// Determine browser and version.

function Browser() 

{

  var ua, s, i;

  this.isIE    = false;  // Internet Explorer

  this.isNS    = false;  // Netscape

  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";

  if ((i = ua.indexOf(s)) >= 0)

   {

    this.isIE = true;

    this.version = parseFloat(ua.substr(i + s.length));

    return;

   }

  s = "Netscape6/";

  if ((i = ua.indexOf(s)) >= 0)

   {

    this.isNS = true;

    this.version = parseFloat(ua.substr(i + s.length));

    return;

   }

// Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";

  if ((i = ua.indexOf(s)) >= 0)

   {

    this.isNS = true;

    this.version = 6.1;

    return;

  }

}

var browser = new Browser();

// For IE, adjust menu bar styling.

if (browser.isIE)

 {

  document.styleSheets[document.styleSheets.length - 1].addRule("#menuBar", "padding-top:4px");

  document.styleSheets[document.styleSheets.length - 1].addRule("#menuBar", "padding-bottom:3px");

}

// Global variable for tracking the currently active button.

var activeButton = null;

// Capture mouse clicks on the page so any active button can be

// deactivated.

if (browser.isIE)

  document.onmousedown = pageMousedown;

if (browser.isNS)

  document.addEventListener("mousedown", pageMousedown, true);

function pageMousedown(event)

 {

  var el;

// If there is no active menu, exit.

  if (!activeButton)

    return;

// Find the element that was clicked on.

  if (browser.isIE)

    el = window.event.srcElement;

  if (browser.isNS)

    el = (event.target.className ? event.target : event.target.parentNode);

// If the active button was clicked on, exit.

  if (el == activeButton)

    return;

// If the element clicked on was not a menu button or item, close the

// active menu.

  if (el.className != "menuButton"  && el.className != "menuItem" &&

      el.className != "menuItemSep" && el.className != "menu")

    resetButton(activeButton);

}

function buttonClick(button, menuName)

 {

// Blur focus from the link to remove that annoying outline.

  button.blur();

// Associate the named menu to this button if not already done.

  if (!button.menu)

    button.menu = document.getElementById(menuName);

// Reset the currently active button, if any.

  if (activeButton && activeButton != button)

    resetButton(activeButton);

// Toggle the button's state.

  if (button.isDepressed)

    resetButton(button);

  else

    depressButton(button);

  return false;

}

function buttonMouseover(button, menuName)

 {

// If any other button menu is active, deactivate it and activate this one.

// Note: if this button has no menu, leave the active menu alone.

  if (activeButton && activeButton != button)

   {

    resetButton(activeButton);

    if (menuName)

      buttonClick(button, menuName);

  }

}

function depressButton(button)

 {

  var w, dw, x, y;

// Change the button's style class to make it look like it's depressed.

  button.className = "menuButtonActive";

// For IE, set an explicit width on the first menu item. This will

// cause link hovers to work on all the menu's items even when the

// cursor is not over the link's text.

  if (browser.isIE && !button.menu.firstChild.style.width)

   {

    w = button.menu.firstChild.offsetWidth;

    button.menu.firstChild.style.width = w + "px";

    dw = button.menu.firstChild.offsetWidth - w;

    w -= dw;

    button.menu.firstChild.style.width = w + "px";

  }

// Position the associated drop down menu under the button and

// show it. Note that the position must be adjusted according to

// browser, styling and positioning.

  x = getPageOffsetLeft(button);

  y = getPageOffsetTop(button) + button.offsetHeight;

  if (browser.isIE || (browser.isNS && browser.version >= 6.1))

    y += 2;

  if (browser.isNS && browser.version < 6.1)

   {

    x--;

    y--;

  }

  button.menu.style.left = x + "px";

  button.menu.style.top  = y + "px";

  button.menu.style.visibility = "visible";

// Set button state and let the world know which button is active.

  button.isDepressed = true;

  activeButton = button;

}

function resetButton(button)

 {

// Restore the button's style class.

  button.className = "menuButton";

// Hide the button's menu.

  if (button.menu)

    button.menu.style.visibility = "hidden";

// Set button state and clear active menu global.

  button.isDepressed = false;

  activeButton = null;

}

function getPageOffsetLeft(el)

 {

// Return the true x coordinate of an element relative to the page.

  return el.offsetLeft + (el.offsetParent ? getPageOffsetLeft(el.offsetParent) : 0);

}

function getPageOffsetTop(el)

 {

// Return the true y coordinate of an element relative to the page.

  return el.offsetTop + (el.offsetParent ? getPageOffsetTop(el.offsetParent) : 0);

}

// end hiding script from old browsers -->