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();

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

var activeButton = null;

/* [MODIFIED] This code commented out, not needed for activate/deactivate
  on mouseover.

// 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 there is no active button, exit.

 if (activeButton == null)
   return;

 // Find the element that was clicked on.

 if (browser.isIE)
   el = window.event.srcElement;
 else
   el = (event.target.tagName ? event.target : event.target.parentNode);

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

 if (el == activeButton)
   return;

 // If the element is not part of a menu, reset and clear the active
 // button.

 if (getContainerWith(el, "DIV", "menu") == null) {
   resetButton(activeButton);
   activeButton = null;
 }
}

[END MODIFIED] */

function buttonClick(event, menuId) {
 var button;

 // Get the target button element.

 if (browser.isIE)
   button = window.event.srcElement;
 else
   button = event.currentTarget;

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

 button.blur();

 // Associate the named menu to this button if not already done.
 // Additionally, initialize menu display.

 if (button.menu == null) {

   button.menu = document.getElementById(menuId);

   if (button.menu.isInitialized == null)
     menuInit(button.menu);
 }

 // [MODIFIED] Added for activate/deactivate on mouseover.

 // Set mouseout event handler for the button, if not already done.

 if (button.onmouseout == null)
   button.onmouseout = buttonOrMenuMouseout;

 // Exit if this button is the currently active one.

 if (button == activeButton)
   return false;

 // [END MODIFIED]

 // Reset the currently active button, if any.

 if (activeButton != null)
   resetButton(activeButton);

 // Activate this button, unless it was the currently active one.

 if (button != activeButton) {
   depressButton(button);
   activeButton = button;
 }
 else
   activeButton = null;

 return false;
}

function buttonMouseover(event, menuId, n) {
                                               if(n=="products")
                                               {
                                                       RollOver('prod');
                                               }
                                               else if(n=="company")
                                               {
                                                       RollOver('company')
                                               }
                                               else if(n=="manu")
                                               {
                                                       RollOver('manu')
                                               }
                                               else if(n=="serv")
                                               {
                                                       RollOver('serv')
                                               }

 var button;

 // [MODIFIED] Added for activate/deactivate on mouseover.

 // Activates this button's menu if no other is currently active.

 if (activeButton == null) {
   buttonClick(event, menuId);
   return;
 }

 // [END MODIFIED]

 // Find the target button element.

 if (browser.isIE)
   button = window.event.srcElement;
 else
   button = event.currentTarget;

 // If any other button menu is active, make this one active instead.

 if (activeButton != null && activeButton != button)
   buttonClick(event, menuId);
}

function depressButton(button) {

 var x, y;

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

 button.className += " menuButtonActive";

 // [MODIFIED] Added for activate/deactivate on mouseover.

 // Set mouseout event handler for the button, if not already done.

 if (button.onmouseout == null)
   button.onmouseout = buttonOrMenuMouseout;
 if (button.menu.onmouseout == null)
   button.menu.onmouseout = buttonOrMenuMouseout;

 // [END MODIFIED]

 // Position the associated drop down menu under the button and
 // show it.

 x = getPageOffsetLeft(button);
 y = getPageOffsetTop(button) + button.offsetHeight;

 // For IE, adjust position.

 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) {

 // Restore the button's style class.

 removeClassName(button, "menuButtonActive");

 // Hide the button's menu, first closing any sub menus.

 if (button.menu != null) {
   closeSubMenu(button.menu);
   button.menu.style.visibility = "hidden";
 }
}

//----------------------------------------------------------------------------
// Code to handle the menus and sub menus.
//----------------------------------------------------------------------------

function menuMouseover(event) {

 var menu;

 // Find the target menu element.

 if (browser.isIE)
   menu = getContainerWith(window.event.srcElement, "DIV", "menu");
 else
   menu = event.currentTarget;

 // Close any active sub menu.

 if (menu.activeItem != null)
   closeSubMenu(menu);
}

function menuItemMouseover(event, menuId) {

 var item, menu, x, y;

 // Find the target item element and its parent menu element.

 if (browser.isIE)
   item = getContainerWith(window.event.srcElement, "A", "menuItem");
 else
   item = event.currentTarget;
 menu = getContainerWith(item, "DIV", "menu");

 // Close any active sub menu and mark this one as active.

 if (menu.activeItem != null)
   closeSubMenu(menu);
 menu.activeItem = item;

 // Highlight the item element.

 item.className += " menuItemHighlight";

 // Initialize the sub menu, if not already done.

 if (item.subMenu == null) {
   item.subMenu = document.getElementById(menuId);
   if (item.subMenu.isInitialized == null)
     menuInit(item.subMenu);
 }

 // [MODIFIED] Added for activate/deactivate on mouseover.

 // Set mouseout event handler for the sub menu, if not already done.

 if (item.subMenu.onmouseout == null)
   item.subMenu.onmouseout = buttonOrMenuMouseout;

 // [END MODIFIED]

 // Get position for submenu based on the menu item.

 x = getPageOffsetLeft(item) + item.offsetWidth;
 y = getPageOffsetTop(item);

 // Adjust position to fit in view.

 var maxX, maxY;

 if (browser.isNS) {
   maxX = window.scrollX + window.innerWidth;
   maxY = window.scrollY + window.innerHeight;
 }
 if (browser.isIE) {
   maxX = Math.max(document.documentElement.scrollLeft,
document.body.scrollLeft) +
     (document.documentElement.clientWidth != 0 ?
document.documentElement.clientWidth : document.body.clientWidth);
   maxY = Math.max(document.documentElement.scrollTop,
document.body.scrollTop) +
     (document.documentElement.clientHeight != 0 ?
document.documentElement.clientHeight : document.body.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));

 // Position and show the sub menu.

 item.subMenu.style.left = x + "px";
 item.subMenu.style.top  = y + "px";
 item.subMenu.style.visibility = "visible";

 // Stop the event from bubbling.

 if (browser.isIE)
   window.event.cancelBubble = true;
 else
   event.stopPropagation();
}

//Mayank

function submenuItemMouseover(event, menuId) {

 var item, menu, x, y;

 // Find the target item element and its parent menu element.

 if (browser.isIE)
   item = getContainerWith(window.event.srcElement, "A", "menuItem");
 else
   item = event.currentTarget;
 menu = getContainerWith(item, "DIV", "menu");

 // Close any active sub menu and mark this one as active.

 if (menu.activeItem != null)
   closeSubMenu(menu);
 menu.activeItem = item;

 // Highlight the item element.

 item.className += " menuItemHighlight";

 // Initialize the sub menu, if not already done.

 if (item.subMenu == null) {

   item.subMenu = document.getElementById(menuId);
   if (item.subMenu.isInitialized == null)
     menuInit(item.subMenu);
 }

 // [MODIFIED] Added for activate/deactivate on mouseover.

 // Set mouseout event handler for the sub menu, if not already done.

 if (item.subMenu.onmouseout == null)
   item.subMenu.onmouseout = buttonOrMenuMouseout;

 // [END MODIFIED]

 // Get position for submenu based on the menu item.

 x = getPageOffsetLeft(item) + item.offsetWidth;
 y = getPageOffsetTop(item);

 // Adjust position to fit in view.

 var maxX, maxY;

 if (browser.isNS) {
   maxX = window.scrollX + window.innerWidth;
   maxY = window.scrollY + window.innerHeight;
 }
 if (browser.isIE) {
   maxX = Math.max(document.documentElement.scrollLeft,
document.body.scrollLeft) +
     (document.documentElement.clientWidth != 0 ?
document.documentElement.clientWidth : document.body.clientWidth);
   maxY = Math.max(document.documentElement.scrollTop,
document.body.scrollTop) +
     (document.documentElement.clientHeight != 0 ?
document.documentElement.clientHeight : document.body.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));

 // Position and show the sub menu.

 item.subMenu.style.left = x + "px";
 item.subMenu.style.top  = y + "px";
 item.subMenu.style.visibility = "visible";

 // Stop the event from bubbling.

 if (browser.isIE)
   window.event.cancelBubble = true;
 else
   event.stopPropagation();
}


//mayank



function closeSubMenu(menu) {

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

 // Recursively close any sub menus.

 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;
}

// [MODIFIED] Added for activate/deactivate on mouseover. Handler for mouseout
// event on buttons and menus.

function buttonOrMenuMouseout(event) {

 var el;

 // If there is no active button, exit.

 if (activeButton == null)
   return;

 // Find the element the mouse is moving to.

 if (browser.isIE)
   el = window.event.toElement;
 else if (event.relatedTarget != null)
     el = (event.relatedTarget.tagName ? event.relatedTarget :
event.relatedTarget.parentNode);

 // If the element is not part of a menu, reset the active button.

 if (getContainerWith(el, "DIV", "menu") == null) {
   resetButton(activeButton);
   activeButton = null;
 }
}

// [END MODIFIED]

//----------------------------------------------------------------------------
// Code to initialize menus.
//----------------------------------------------------------------------------

function menuInit(menu) {

 var itemList, spanList;
 var textEl, arrowEl;
 var itemWidth;
 var w, dw;
 var i, j;

 // For IE, replace arrow characters.

 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";
     }
 }

 // Find the width of a menu item.

 itemList = menu.getElementsByTagName("A");
 if (itemList.length > 0)
   itemWidth = itemList[0].offsetWidth;
 else
   return;

 // For items with arrows, add padding to item text to make the
 // arrows flush right.

 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";
 }

 // Fix IE hover problem by setting an explicit width on first item of
 // the menu.

 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";
 }

 // Mark menu as initialized.

 menu.isInitialized = true;
}

//----------------------------------------------------------------------------
// General utility functions.
//----------------------------------------------------------------------------

function getContainerWith(node, tagName, className) {

 // Starting with the given node, find the nearest containing element
 // with the specified tag name and style class.

 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;

 // Return true if the given element currently has the given class
 // name.

 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;

 // Remove the given class name from the element's className property.

 newList = new Array();
 curList = el.className.split(" ");
 for (i = 0; i < curList.length; i++)
   if (curList[i] != name)
     newList[length]=(curList[i]);
 el.className = newList.join(" ");
}

function getPageOffsetLeft(el) {

 var x;

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

 x = el.offsetLeft;
 if (el.offsetParent != null)
   x += getPageOffsetLeft(el.offsetParent);

 return x;
}

function getPageOffsetTop(el) {

 var y;

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

 y = el.offsetTop;
 if (el.offsetParent != null)
   y += getPageOffsetTop(el.offsetParent);

 return y;
}