Barra de Menu javascript

Menú similar a las barras de herramientas de windows.

<html>
<head>
<title> Barra de Menu </title>
<!-- Please see http://www.brainjar.com for terms of use. -->
<style type="text/css">
div.menuBar,
div.menuBar a.menuButton,
div.menu,
div.menu a.menuItem {
  font-family: "MS Sans Serif", Arial, sans-serif;
  font-size: 8pt;
  font-style: normal;
  font-weight: normal;
  color: #000000;
}
div.menuBar {
  background-color: #d0d0d0;
  border: 2px solid;
  border-color: #f0f0f0 #909090 #909090 #f0f0f0;
  padding: 4px 2px 4px 2px;
  text-align: left;
}
div.menuBar a.menuButton {
  background-color: transparent;
  border: 1px solid #d0d0d0;
  color: #000000;
  cursor: default;
  left: 0px;
  margin: 1px;
  padding: 2px 6px 2px 6px;
  position: relative;
  text-decoration: none;
  top: 0px;
  z-index: 100;
}
div.menuBar a.menuButton:hover {
  background-color: transparent;
  border-color: #f0f0f0 #909090 #909090 #f0f0f0;
  color: #000000;
}
div.menuBar a.menuButtonActive,
div.menuBar a.menuButtonActive:hover {
  background-color: #a0a0a0;
  border-color: #909090 #f0f0f0 #f0f0f0 #909090;
  color: #ffffff;
  left: 1px;
  top: 1px;
}
div.menu {
  background-color: #d0d0d0;
  border: 2px solid;
  border-color: #f0f0f0 #909090 #909090 #f0f0f0;
  left: 0px;
  padding: 0px 1px 1px 0px;
  position: absolute;
  top: 0px;
  visibility: hidden;
  z-index: 101;
}
div.menu a.menuItem {
  color: #000000;
  cursor: default;
  display: block;
  padding: 3px 1em;
  text-decoration: none;
  white-space: nowrap;
}
div.menu a.menuItem:hover, div.menu a.menuItemHighlight {
  background-color: #000080;
  color: #ffffff;
}
div.menu a.menuItem span.menuItemText {}
div.menu a.menuItem span.menuItemArrow {
  margin-right: -.75em;
}
div.menu div.menuItemSep {
  border-top: 1px solid #909090;
  border-bottom: 1px solid #f0f0f0;
  margin: 4px 2px;
}
</style>
<script type="text/javascript">
function Browser() {
  var ua, s, i;
  this.isIE    = false;  
  this.isNS    = false;  
  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();
//----------------------------------------------------------------------------
// Code for handling the menu bar and active button.
//----------------------------------------------------------------------------
var activeButton = null;
// Capture mouse clicks on the page so any active button can be
// deactivated.
if (browser.isIE)
  document.onmousedown = pageMousedown;
else
  document.addEventListener("mousedown", pageMousedown, true);
function pageMousedown(event) {
  var el;
  if (activeButton == null)
    return;
  if (browser.isIE)
    el = window.event.srcElement;
  else
    el = (event.target.tagName ? event.target : event.target.parentNode);
  if (el == activeButton)
    return;
  if (getContainerWith(el, "DIV", "menu") == null) {
    resetButton(activeButton);
    activeButton = null;
  }
}
function buttonClick(event, menuId) {
  var button;
  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;
  button.blur();
  if (button.menu == null) {
    button.menu = document.getElementById(menuId);
    menuInit(button.menu);
  }
  if (activeButton != null)
    resetButton(activeButton);
  if (button != activeButton) {
    depressButton(button);
    activeButton = button;
  }
  else
    activeButton = null;
  return false;
}
function buttonMouseover(event, menuId) {
  var button;
  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;
  if (activeButton != null && activeButton != button)
    buttonClick(event, menuId);
}
function depressButton(button) {
  var x, y;
  button.className += " menuButtonActive";
  x = getPageOffsetLeft(button);
  y = getPageOffsetTop(button) + button.offsetHeight;
  if (browser.isIE) {
    x += button.offsetParent.clientLeft;
    y += button.offsetParent.clientTop;
  }
  button.menu.style.left = x + "px";
  button.menu.style.top  = y + "px";
  button.menu.style.visibility = "visible";
}
function resetButton(button) {
  removeClassName(button, "menuButtonActive");
  if (button.menu != null) {
    closeSubMenu(button.menu);
    button.menu.style.visibility = "hidden";
  }
}

function menuMouseover(event) {
  var menu;
  if (browser.isIE)
    menu = getContainerWith(window.event.srcElement, "DIV", "menu");
  else
    menu = event.currentTarget;
  if (menu.activeItem != null)
    closeSubMenu(menu);
}
function menuItemMouseover(event, menuId) {
  var item, menu, x, y;
  if (browser.isIE)
    item = getContainerWith(window.event.srcElement, "A", "menuItem");
  else
    item = event.currentTarget;
  menu = getContainerWith(item, "DIV", "menu");
  if (menu.activeItem != null)
    closeSubMenu(menu);
  menu.activeItem = item;
  item.className += " menuItemHighlight";
  if (item.subMenu == null) {
    item.subMenu = document.getElementById(menuId);
    menuInit(item.subMenu);
  }
  x = getPageOffsetLeft(item) + item.offsetWidth;
  y = getPageOffsetTop(item);
  var maxX, maxY;
  if (browser.isNS) {
    maxX = window.scrollX + window.innerWidth;
    maxY = window.scrollY + window.innerHeight;
  }
  if (browser.isIE && browser.version < 6) {
    maxX = document.body.scrollLeft + document.body.clientWidth;
    maxY = document.body.scrollTop  + document.body.clientHeight;
  }
  if (browser.isIE && browser.version >= 6) {
    maxX = document.documentElement.scrollLeft + document.documentElement.clientWidth;
    maxY = document.documentElement.scrollTop  + document.documentElement.clientHeight;
  }
  maxX -= item.subMenu.offsetWidth;
  maxY -= item.subMenu.offsetHeight;
  if (x > maxX)
    x = Math.max(0, x - item.offsetWidth - item.subMenu.offsetWidth
      + (menu.offsetWidth - item.offsetWidth));
  y = Math.max(0, Math.min(y, maxY));
  item.subMenu.style.left = x + "px";
  item.subMenu.style.top  = y + "px";
  item.subMenu.style.visibility = "visible";
  if (browser.isIE)
    window.event.cancelBubble = true;
  else
    event.stopPropagation();
}
function closeSubMenu(menu) {
  if (menu == null || menu.activeItem == null)
    return;
  if (menu.activeItem.subMenu != null) {
    closeSubMenu(menu.activeItem.subMenu);
    menu.activeItem.subMenu.style.visibility = "hidden";
    menu.activeItem.subMenu = null;
  }
  removeClassName(menu.activeItem, "menuItemHighlight");
  menu.activeItem = null;
}
function menuInit(menu) {
  var itemList, spanList
  var textEl, arrowEl;
  var itemWidth;
  var w, dw;
  var i, j;
  if (browser.isIE) {
    menu.style.lineHeight = "2.5ex";
    spanList = menu.getElementsByTagName("SPAN");
    for (i = 0; i < spanList.length; i++)
      if (hasClassName(spanList[i], "menuItemArrow")) {
        spanList[i].style.fontFamily = "Webdings";
        spanList[i].firstChild.nodeValue = "4";
      }
  }
  itemList = menu.getElementsByTagName("A");
  if (itemList.length > 0)
    itemWidth = itemList[0].offsetWidth;
  else
    return;
  for (i = 0; i < itemList.length; i++) {
    spanList = itemList[i].getElementsByTagName("SPAN")
    textEl  = null
    arrowEl = null;
    for (j = 0; j < spanList.length; j++) {
      if (hasClassName(spanList[j], "menuItemText"))
        textEl = spanList[j];
      if (hasClassName(spanList[j], "menuItemArrow"))
        arrowEl = spanList[j];
    }
    if (textEl != null && arrowEl != null)
      textEl.style.paddingRight = (itemWidth 
        - (textEl.offsetWidth + arrowEl.offsetWidth)) + "px";
  }
  if (browser.isIE) {
    w = itemList[0].offsetWidth;
    itemList[0].style.width = w + "px";
    dw = itemList[0].offsetWidth - w;
    w -= dw;
    itemList[0].style.width = w + "px";
  }
}
function getContainerWith(node, tagName, className) {
  while (node != null) {
    if (node.tagName != null && node.tagName == tagName &&
        hasClassName(node, className))
      return node;
    node = node.parentNode;
  }
  return node;
}
function hasClassName(el, name) {
  var i, list;
  list = el.className.split(" ");
  for (i = 0; i < list.length; i++)
    if (list[i] == name)
      return true;
  return false;
}
function removeClassName(el, name) {
  var i, curList, newList;
  if (el.className == null)
    return;
  newList = new Array();
  curList = el.className.split(" ");
  for (i = 0; i < curList.length; i++)
    if (curList[i] != name)
      newList.push(curList[i]);
  el.className = newList.join(" ");
}
function getPageOffsetLeft(el) {
  var x;
  x = el.offsetLeft;
  if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);
  return x;
}
function getPageOffsetTop(el) {
  var y;
  y = el.offsetTop;
  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);
  return y;
}
</script>
</head>
<body>

<!-- Menu bar. -->
<div class="menuBar" style="width:80%;">
<a class="menuButton" href="" onclick="return buttonClick(event, 'fileMenu');" onmouseover="buttonMouseover(event, 'fileMenu');">File</a>
<a class="menuButton" href="" onclick="return buttonClick(event, 'editMenu');" onmouseover="buttonMouseover(event, 'editMenu');">Edit</a>
<a class="menuButton" href="" onclick="return buttonClick(event, 'viewMenu');" onmouseover="buttonMouseover(event, 'viewMenu');">View</a>
<a class="menuButton" href="" onclick="return buttonClick(event, 'toolsMenu');" onmouseover="buttonMouseover(event, 'toolsMenu');">Tools</a>
<a class="menuButton" href="" onclick="return buttonClick(event, 'optionsMenu');" onmouseover="buttonMouseover(event, 'optionsMenu');">Options</a>
<a class="menuButton" href="" onclick="return buttonClick(event, 'helpMenu');" onmouseover="buttonMouseover(event, 'helpMenu');">Help</a>
</div>
<!-- Main menus. -->
<div id="fileMenu" class="menu" onmouseover="menuMouseover(event)">
<a class="menuItem" href="blank.html">File Menu Item 1</a>
<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'fileMenu2');"
><span class="menuItemText">File Menu Item 2</span><span class="menuItemArrow">▶</span></a>
<a class="menuItem" href="blank.html">File Menu Item 3</a>
<a class="menuItem" href="blank.html">File Menu Item 4</a>
<a class="menuItem" href="blank.html">File Menu Item 5</a>
<div class="menuItemSep"></div>
<a class="menuItem" href="blank.html">File Menu Item 6</a>
</div>
<div id="editMenu" class="menu" onmouseover="menuMouseover(event)">
<a class="menuItem" href="blank.html">Edit Menu Item 1</a>
<div class="menuItemSep"></div>
<a class="menuItem" href="blank.html">Edit Menu Item 2</a>
<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'editMenu3');"
><span class="menuItemText">Edit Menu Item 3</span><span class="menuItemArrow">▶</span></a>
<a class="menuItem" href="blank.html">Edit Menu Item 4</a>
<div class="menuItemSep"></div>
<a class="menuItem" href="blank.html">Edit Menu Item 5</a>
</div>
<div id="viewMenu" class="menu">
<a class="menuItem" href="blank.html">View Menu Item 1</a>
<a class="menuItem" href="blank.html">View Menu Item 2</a>
<a class="menuItem" href="blank.html">View Menu Item 3</a>
</div>
<div id="toolsMenu" class="menu" onmouseover="menuMouseover(event)">
<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'toolsMenu1');"
><span class="menuItemText">Tools Menu Item 1</span><span class="menuItemArrow">▶</span></a>
<a class="menuItem" href="blank.html">Tools Menu Item 2</a>
<a class="menuItem" href="blank.html">Tools Menu Item 3</a>
<div class="menuItemSep"></div>
<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'toolsMenu4');"
><span class="menuItemText">Tools Menu Item 4</span><span class="menuItemArrow">▶</span></a>
<a class="menuItem" href="blank.html">Tools Menu Item 5</a>
</div>
<div id="optionsMenu" class="menu">
<a class="menuItem" href="blank.html">Options Menu Item 1</a>
<a class="menuItem" href="blank.html">Options Menu Item 2</a>
<a class="menuItem" href="blank.html">Options Menu Item 3</a>
</div>
<div id="helpMenu" class="menu">
<a class="menuItem" href="blank.html">Help Menu Item 1</a>
<a class="menuItem" href="blank.html">Help Menu Item 2</a>
<div class="menuItemSep"></div>
<a class="menuItem" href="blank.html">Help Menu Item 3</a>
</div>
<!-- File sub menus. -->
<div id="fileMenu2" class="menu">
<a class="menuItem" href="blank.html">File Menu 2 Item 1</a>
<a class="menuItem" href="blank.html">File Menu 2 Item 2</a>
</div>
<!-- Edit sub menus. -->
<div id="editMenu3" class="menu" onmouseover="menuMouseover(event)">
<a class="menuItem" href="blank.html">Edit Menu 3 Item 1</a>
<a class="menuItem" href="blank.html">Edit Menu 3 Item 2</a>
<div class="menuItemSep"></div>
<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'editMenu3_3');"
><span class="menuItemText">Edit Menu 3 Item 3</span><span class="menuItemArrow">▶</span></a>
<a class="menuItem" href="blank.html">Edit Menu 3 Item 4</a>
</div>
<div id="editMenu3_3" class="menu">
<a class="menuItem" href="blank.html">Edit Menu 3-3 Item 1</a>
<a class="menuItem" href="blank.html">Edit Menu 3-3 Item 2</a>
<a class="menuItem" href="blank.html">Edit Menu 3-3 Item 3</a>
<div class="menuItemSep"></div>
<a class="menuItem" href="blank.html">Edit Menu 3-3 Item 4</a>
</div>
<!-- Tools sub menus. -->
<div id="toolsMenu1" class="menu">
<a class="menuItem" href="blank.html">Tools Menu 1 Item 1</a>
<a class="menuItem" href="blank.html">Tools Menu 1 Item 2</a>
<div class="menuItemSep"></div>
<a class="menuItem" href="blank.html">Tools Menu 1 Item 3</a>
<a class="menuItem" href="blank.html">Tools Menu 1 Item 4</a>
<div class="menuItemSep"></div>
<a class="menuItem" href="blank.html">Tools Menu 1 Item 5</a>
</div>
<div id="toolsMenu4" class="menu" onmouseover="menuMouseover(event)">
<a class="menuItem" href="blank.html">Tools Menu 4 Item 1</a>
<a class="menuItem" href="blank.html">Tools Menu 4 Item 2</a>
<a class="menuItem" href="blank.html" onclick="return false;" onmouseover="menuItemMouseover(event, 'toolsMenu4_3');"><span class="menuItemText">Tools Menu 4 Item 3</span><span class="menuItemArrow">▶</span></a>
</div>
<div id="toolsMenu4_3" class="menu">
<a class="menuItem" href="blank.html">Tools Menu 4-3 Item 1</a>
<a class="menuItem" href="blank.html">Tools Menu 4-3 Item 2</a>
<a class="menuItem" href="blank.html">Tools Menu 4-3 Item 3</a>
<a class="menuItem" href="blank.html">Tools Menu 4-3 Item 4</a>
</div>
</body>
</html>

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<html>

<head>

<title> Barra de Menu </title>

div.menuBar,

div.menuBar a.menuButton,

div.menu,

div.menu a.menuItem {

font-family: "MS Sans Serif", Arial, sans-serif;

font-size: 8pt;

font-style: normal;

font-weight: normal;

color: #000000;

}

div.menuBar {

background-color: #d0d0d0;

border: 2px solid;

border-color: #f0f0f0 #909090 #909090 #f0f0f0;

padding: 4px 2px 4px 2px;

text-align: left;

}

div.menuBar a.menuButton {

background-color: transparent;

border: 1px solid #d0d0d0;

color: #000000;

cursor: default;

left: 0px;

margin: 1px;

padding: 2px 6px 2px 6px;

position: relative;

text-decoration: none;

top: 0px;

z-index: 100;

}

div.menuBar a.menuButton:hover {

background-color: transparent;

border-color: #f0f0f0 #909090 #909090 #f0f0f0;

color: #000000;

}

div.menuBar a.menuButtonActive,

div.menuBar a.menuButtonActive:hover {

background-color: #a0a0a0;

border-color: #909090 #f0f0f0 #f0f0f0 #909090;

color: #ffffff;

left: 1px;

top: 1px;

}

div.menu {

background-color: #d0d0d0;

border: 2px solid;

border-color: #f0f0f0 #909090 #909090 #f0f0f0;

left: 0px;

padding: 0px 1px 1px 0px;

position: absolute;

top: 0px;

visibility: hidden;

z-index: 101;

}

div.menu a.menuItem {

color: #000000;

cursor: default;

display: block;

padding: 3px 1em;

text-decoration: none;

white-space: nowrap;

}

div.menu a.menuItem:hover, div.menu a.menuItemHighlight {

background-color: #000080;

color: #ffffff;

}

div.menu a.menuItem span.menuItemText {}

div.menu a.menuItem span.menuItemArrow {

margin-right: -.75em;

}

div.menu div.menuItemSep {

border-top: 1px solid #909090;

border-bottom: 1px solid #f0f0f0;

margin: 4px 2px;

}

</style>

function Browser() {

var ua, s, i;

this.isIE = false;

this.isNS = false;

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();

//----------------------------------------------------------------------------

// Code for handling the menu bar and active button.

//----------------------------------------------------------------------------

var activeButton = null;

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

// deactivated.

if (browser.isIE)

document.onmousedown = pageMousedown;

else

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

function pageMousedown(event) {

var el;

if (activeButton == null)

return;

if (browser.isIE)

el = window.event.srcElement;

else

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

if (el == activeButton)

return;

if (getContainerWith(el, "DIV", "menu") == null) {

resetButton(activeButton);

activeButton = null;

}

function buttonClick(event, menuId) {

var button;

if (browser.isIE)

button = window.event.srcElement;

else

button = event.currentTarget;

button.blur();

if (button.menu == null) {

button.menu = document.getElementById(menuId);

menuInit(button.menu);

}

if (activeButton != null)

resetButton(activeButton);

if (button != activeButton) {

depressButton(button);

activeButton = button;

}

else

activeButton = null;

return false;

}

function buttonMouseover(event, menuId) {

var button;

if (browser.isIE)

button = window.event.srcElement;

else

button = event.currentTarget;

if (activeButton != null && activeButton != button)

buttonClick(event, menuId);

}

function depressButton(button) {

var x, y;

button.className += " menuButtonActive";

x = getPageOffsetLeft(button);

y = getPageOffsetTop(button) + button.offsetHeight;

if (browser.isIE) {

x += button.offsetParent.clientLeft;

y += button.offsetParent.clientTop;

}

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

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

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

}

function resetButton(button) {

removeClassName(button, "menuButtonActive");

if (button.menu != null) {

closeSubMenu(button.menu);

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

}

function menuMouseover(event) {

var menu;

if (browser.isIE)

menu = getContainerWith(window.event.srcElement, "DIV", "menu");

else

menu = event.currentTarget;

if (menu.activeItem != null)

closeSubMenu(menu);

}

function menuItemMouseover(event, menuId) {

var item, menu, x, y;

if (browser.isIE)

item = getContainerWith(window.event.srcElement, "A", "menuItem");

else

item = event.currentTarget;

menu = getContainerWith(item, "DIV", "menu");

if (menu.activeItem != null)

closeSubMenu(menu);

menu.activeItem = item;

item.className += " menuItemHighlight";

if (item.subMenu == null) {

item.subMenu = document.getElementById(menuId);

menuInit(item.subMenu);

}

x = getPageOffsetLeft(item) + item.offsetWidth;

y = getPageOffsetTop(item);

var maxX, maxY;

if (browser.isNS) {

maxX = window.scrollX + window.innerWidth;

maxY = window.scrollY + window.innerHeight;

}

if (browser.isIE && browser.version < 6) {

maxX = document.body.scrollLeft + document.body.clientWidth;

maxY = document.body.scrollTop + document.body.clientHeight;

}

if (browser.isIE && browser.version >= 6) {

maxX = document.documentElement.scrollLeft + document.documentElement.clientWidth;

maxY = document.documentElement.scrollTop + document.documentElement.clientHeight;

}

maxX -= item.subMenu.offsetWidth;

maxY -= item.subMenu.offsetHeight;

if (x > maxX)

x = Math.max(0, x - item.offsetWidth - item.subMenu.offsetWidth

+ (menu.offsetWidth - item.offsetWidth));

y = Math.max(0, Math.min(y, maxY));

item.subMenu.style.left = x + "px";

item.subMenu.style.top = y + "px";

item.subMenu.style.visibility = "visible";

if (browser.isIE)

window.event.cancelBubble = true;

else

event.stopPropagation();

}

function closeSubMenu(menu) {

if (menu == null || menu.activeItem == null)

return;

if (menu.activeItem.subMenu != null) {

closeSubMenu(menu.activeItem.subMenu);

menu.activeItem.subMenu.style.visibility = "hidden";

menu.activeItem.subMenu = null;

}

removeClassName(menu.activeItem, "menuItemHighlight");

menu.activeItem = null;

}

function menuInit(menu) {

var itemList, spanList

var textEl, arrowEl;

var itemWidth;

var w, dw;

var i, j;

if (browser.isIE) {

menu.style.lineHeight = "2.5ex";

spanList = menu.getElementsByTagName("SPAN");

for (i = 0; i < spanList.length; i++)

if (hasClassName(spanList[i], "menuItemArrow")) {

spanList[i].style.fontFamily = "Webdings";

spanList[i].firstChild.nodeValue = "4";

}

itemList = menu.getElementsByTagName("A");

if (itemList.length > 0)

itemWidth = itemList[0].offsetWidth;

else

return;

for (i = 0; i < itemList.length; i++) {

spanList = itemList[i].getElementsByTagName("SPAN")

textEl = null

arrowEl = null;

for (j = 0; j < spanList.length; j++) {

if (hasClassName(spanList[j], "menuItemText"))

textEl = spanList[j];

if (hasClassName(spanList[j], "menuItemArrow"))

arrowEl = spanList[j];

}

if (textEl != null && arrowEl != null)

textEl.style.paddingRight = (itemWidth

- (textEl.offsetWidth + arrowEl.offsetWidth)) + "px";

}

if (browser.isIE) {

w = itemList[0].offsetWidth;

itemList[0].style.width = w + "px";

dw = itemList[0].offsetWidth - w;

w -= dw;

itemList[0].style.width = w + "px";

}

function getContainerWith(node, tagName, className) {

while (node != null) {

if (node.tagName != null && node.tagName == tagName &&

hasClassName(node, className))

return node;

node = node.parentNode;

}

return node;

}

function hasClassName(el, name) {

var i, list;

list = el.className.split(" ");

for (i = 0; i < list.length; i++)

if (list[i] == name)

return true;

return false;

}

function removeClassName(el, name) {

var i, curList, newList;

if (el.className == null)

return;

newList = new Array();

curList = el.className.split(" ");

for (i = 0; i < curList.length; i++)

if (curList[i] != name)

newList.push(curList[i]);

el.className = newList.join(" ");

}

function getPageOffsetLeft(el) {

var x;

x = el.offsetLeft;

if (el.offsetParent != null)

x += getPageOffsetLeft(el.offsetParent);

return x;

}

function getPageOffsetTop(el) {

var y;

y = el.offsetTop;

if (el.offsetParent != null)

y += getPageOffsetTop(el.offsetParent);

return y;

}

</script>

</head>

<body>

<a class="menuButton" href="" onclick="return buttonClick(event, 'toolsMenu');" onmouseover="buttonMouseover(event, 'toolsMenu');">Tools</a>

<a class="menuButton" href="" onclick="return buttonClick(event, 'optionsMenu');" onmouseover="buttonMouseover(event, 'optionsMenu');">Options</a>

</div>

<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'fileMenu2');"

><span class="menuItemText">File Menu Item 2</span><span class="menuItemArrow">▶</span></a>

</div>

<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'editMenu3');"

><span class="menuItemText">Edit Menu Item 3</span><span class="menuItemArrow">▶</span></a>

</div>

</div>

<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'toolsMenu1');"

><span class="menuItemText">Tools Menu Item 1</span><span class="menuItemArrow">▶</span></a>

<a class="menuItem" href="blank.html">Tools Menu Item 2</a>

<a class="menuItem" href="blank.html">Tools Menu Item 3</a>

<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'toolsMenu4');"

><span class="menuItemText">Tools Menu Item 4</span><span class="menuItemArrow">▶</span></a>

<a class="menuItem" href="blank.html">Tools Menu Item 5</a>

</div>

<a class="menuItem" href="blank.html">Options Menu Item 1</a>

<a class="menuItem" href="blank.html">Options Menu Item 2</a>

<a class="menuItem" href="blank.html">Options Menu Item 3</a>

</div>

</div>

</div>

<a class="menuItem" href="" onclick="return false;" onmouseover="menuItemMouseover(event, 'editMenu3_3');"

><span class="menuItemText">Edit Menu 3 Item 3</span><span class="menuItemArrow">▶</span></a>

</div>

</div>

<a class="menuItem" href="blank.html">Tools Menu 1 Item 1</a>

<a class="menuItem" href="blank.html">Tools Menu 1 Item 2</a>

<a class="menuItem" href="blank.html">Tools Menu 1 Item 3</a>

<a class="menuItem" href="blank.html">Tools Menu 1 Item 4</a>

<a class="menuItem" href="blank.html">Tools Menu 1 Item 5</a>

</div>

<a class="menuItem" href="blank.html">Tools Menu 4 Item 1</a>

<a class="menuItem" href="blank.html">Tools Menu 4 Item 2</a>

<a class="menuItem" href="blank.html" onclick="return false;" onmouseover="menuItemMouseover(event, 'toolsMenu4_3');"><span class="menuItemText">Tools Menu 4 Item 3</span><span class="menuItemArrow">▶</span></a>

</div>

<a class="menuItem" href="blank.html">Tools Menu 4-3 Item 1</a>

<a class="menuItem" href="blank.html">Tools Menu 4-3 Item 2</a>

<a class="menuItem" href="blank.html">Tools Menu 4-3 Item 3</a>

<a class="menuItem" href="blank.html">Tools Menu 4-3 Item 4</a>

</div>

</body>

</html>

GamaRod

Programacion web

Barra de Menu javascript

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