/* function to open external links to avoid the target="_blank" */
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;

//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2000-2004 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************

//----------------------------------------------------------------------------
// Code to determine the browser and version.
//----------------------------------------------------------------------------

function _old_Browser() {

  var ua, s, i;

  this.isIE    = false;  // Internet Explorer
  this.isOP    = false;  // Opera
  this.isNS    = false;  // Netscape
  this.version = null;

  ua = navigator.userAgent;

  s = "Opera";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isOP = 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 Netscape 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }

  s = "MSIE";
  if ((i = ua.indexOf(s))) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }
}

var browser = new _old_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 true;

  // [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) {

  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-1;
  }

  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.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);
  }
  if (browser.isOP) {
    maxX = document.documentElement.scrollLeft + window.innerWidth;
    maxY = document.documentElement.scrollTop  + window.innerHeight;
  }
  if (browser.isNS) {
    maxX = window.scrollX + window.innerWidth;
    maxY = window.scrollY + window.innerHeight;
  }
  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();
}

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";
      // For Opera, remove the negative right margin to fix a display bug.
      if (browser.isOP)
        arrowEl.style.marginRight = "0px";
    }
  }

  // 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.push(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;
}




/***********************************************
* Switch Content script- � Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use. Last updated Mar 23rd, 2004.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var enablepersist="on" //Enable saving state of content structure using session cookies? (on/off)
var collapseprevious="no" //Collapse previously open content when opening present? (yes/no)

if (document.getElementById){
document.write('<style type="text/css">')
document.write('.hide{display:none;}')
document.write('</style>')
}

function getElementbyClass(classname){
ccollect=new Array()
var inc=0
var alltags=document.all? document.all : document.getElementsByTagName("*")
for (i=0; i<alltags.length; i++){
if (alltags[i].className==classname)
ccollect[inc++]=alltags[i]
}
}

function contractcontent(omit){
var inc=0
while (ccollect[inc]){
if (ccollect[inc].id!=omit)
ccollect[inc].style.display="none"
inc++
}
}

function hide(cid){
if (typeof ccollect!="undefined"){
if (collapseprevious=="yes")
contractcontent(cid)
document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
}
}

function revivecontent(){
contractcontent("omitnothing")
selectedItem=getselectedItem()
selectedComponents=selectedItem.split("|")
for (i=0; i<selectedComponents.length-1; i++)
document.getElementById(selectedComponents[i]).style.display="block"
}

function get_cookie(Name) {
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) {
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}

function getselectedItem(){
if (get_cookie(window.location.pathname) != ""){
selectedItem=get_cookie(window.location.pathname)
return selectedItem
}
else
return ""
}

function saveswitchstate(){
var inc=0, selectedItem=""
while (ccollect[inc]){
if (ccollect[inc].style.display=="block")
selectedItem+=ccollect[inc].id+"|"
inc++
}

document.cookie=window.location.pathname+"="+selectedItem
}

function do_onload(){
uniqueidn=window.location.pathname+"firsttimeload"
getElementbyClass("hide")
if (enablepersist=="on" && typeof ccollect!="undefined"){
document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0"
firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load
if (!firsttimeload)
revivecontent()
}
}


if (window.addEventListener)
window.addEventListener("load", do_onload, false)
else if (window.attachEvent)
window.attachEvent("onload", do_onload)
else if (document.getElementById)
window.onload=do_onload

if (enablepersist=="on" && document.getElementById)
window.onunload=saveswitchstate



//////////////////////
//    rollovers     //
//////////////////////
function clearBox()
{
  document.frmkeyword.term.value = "";
}

function labelBox()
{
  if(document.frmkeyword.term.value == "")
  {
    document.frmkeyword.term.value='Keyword Search';
  }
}

function cOn(tr,oncolor)
{
  if(document.getElementById||(document.all && !(document.getElementById)))
  {
    tr.style.backgroundColor=oncolor;
  }
}

function cOut(tr,offcolor)
{
  if(document.getElementById||(document.all && !(document.getElementById)))
  {
    tr.style.backgroundColor=offcolor;
  }
}

function rollover() {
	bName = navigator.appName;
	bVer = parseInt(navigator.appVersion);
	if ((bName == "Netscape" && bVer >=3)
	|| (bName == "Microsoft Internet Explorer" && bVer >=4))
		return 1;
	return 0;
}

function rollover_body(flag, dec, on, off)
{
	if (rollover()) {
		if (flag)
			document.images[dec].src = on.src;
		else
			document.images[dec].src = off.src;
	}
	return true;
}

function rollover_layer(flag, lay, dec, on, off)
{
	var x;
	if (navigator.appName == "Netscape") {
		x = document.layers[lay].document.images[dec];
	} else {
		x = document.images[dec];
	}
	if (flag)
		x.src = on.src;
	else
		x.src = off.src;
	return true;
}

if (rollover())

    {

	Img1Off=new Image();
	Img1Off.src="images/icon_listen_line_1.gif";
	Img1On=new Image();
	Img1On.src="images/icon_listen_line_white.gif";

	Img1aOff=new Image();
	Img1aOff.src="images/icon_listen_line_2.gif";
	Img1aOn=new Image();
	Img1aOn.src="images/icon_listen_line_white.gif";

	Img2Off=new Image();
	Img2Off.src="images/icon_listen_send_1.gif";
	Img2On=new Image();
	Img2On.src="images/icon_listen_send_white.gif";

	Img2aOff=new Image();
	Img2aOff.src="images/icon_listen_send_2.gif";
	Img2aOn=new Image();
	Img2aOn.src="images/icon_listen_send_white.gif";

	Img3Off=new Image();
	Img3Off.src="images/icon_listen_cart_1.gif";
	Img3On=new Image();
	Img3On.src="images/icon_listen_cart_white.gif";

	Img3aOff=new Image();
	Img3aOff.src="images/icon_listen_cart_2.gif";
	Img3aOn=new Image();
	Img3aOn.src="images/icon_listen_cart_white.gif";
    }

function Img1_hover(flag)
{
	rollover_body(flag, 'Img1', Img1On, Img1Off);
	return true;
}

function Img1a_hover(flag)
{
	rollover_body(flag, 'Img1a', Img1aOn, Img1aOff);
	return true;
}

function Img2_hover(flag)
{
	rollover_body(flag, 'Img2', Img2On, Img2Off);
	return true;
}

function Img2a_hover(flag)
{
	rollover_body(flag, 'Img2a', Img2aOn, Img2aOff);
	return true;
}

function Img3_hover(flag)
{
	rollover_body(flag, 'Img3', Img3On, Img3Off);
	return true;
}

function Img3a_hover(flag)
{
	rollover_body(flag, 'Img3a', Img3aOn, Img3aOff);
	return true;
}
