function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		home_over = newImage("/web/consumer/images/en_home_over.jpg");
		products_over = newImage("/web/consumer/images/en_products_over.jpg");
		socialmedia_over = newImage("/web/consumer/images/en_blog_over.jpg");
		support_over = newImage("/web/consumer/images/en_support_over.jpg");
		digCribs_over = newImage("/web/consumer/images/en_digCribs_over.jpg");
		CES_over = newImage("/web/consumer/images/en_CES_over.jpg");
		news_over = newImage("/web/consumer/images/en_news_over.jpg");
		tv_setTop_over = newImage("/web/consumer/images/en_tv_setTop_over.jpg");
		modem_gateways_over = newImage("/web/consumer/images/en_modem_gateways_over.jpg");
		support_over = newImage("/web/consumer/images/en_home_networking_over.jpg");
		preloadFlag = true;
	}
}
function doTheForm(f)
{
if (isWhitespace(f.first_name.value))
	{
	blankError('first name',f.first_name);
	return false;
	}
if (isWhitespace(f.last_name.value))
	{
	blankError('last name',f.last_name);
	return false;
	}
if (invalidEmail(f.email_addr, 'Please provide your e-mail address in the format \"emailaddress@domain.suffix\" so we may contact you.'))
	{
	return false;
	}
if (noneSelected('a country from one of the options in the drop down box.',f.country))
	{
	return false;
	}
if (isWhitespace(f.zip_postal.value))
	{
	blankError('ZIP or Postal Code',f.zip_postal);
	return false;
	}
if (noCheck(f.subscribe_opt,'In order to subscribe to these updates, you must answer \"Yes\" to the question, \"May Cisco keep you up to date with the latest information on products and services?\" \(http://www.cisco.com/web/siteassets/legal/privacy.html\)'))
	{
	return false;
	}
return true;
}

function isWhitespace(s)
{
var i;
var whitespace = " \t\n\r";
if (isEmpty(s)) return true;
for (i = 0; i < s.length; i++)
	{
	var c = s.charAt(i);
	if (whitespace.indexOf(c) == -1) return false;
	}
return true;
}
function isEmpty(s)
{ 
return ((s == null) || (s.length == 0))
}
function invalidEmail(o,alertText)
{
var s = o.value;
var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
if (filter.test(s))
{return false;}
alert(alertText);
o.focus();
return true;
}

function noCheck(o,alertText) /*works when only one checkbox value possible for object*/
{

	if (o.checked)
		{
		return false;
		}
alert(alertText);
return true;
}

function noChecks(o,alertText) /*works when there are more than one checkbox values possible for object*/
{
for (var i=0;i<o.length;i++)
	{
	if (o[i].checked)
		{
		return false;
		}
	}
alert(alertText);
return true;
}



function noneSelected(dn,o)
{
for (var i=1;i<o.length;i++)
	{
	if (o[i].selected == true)
		{
		return false;
		}
	}
alert('Please select ' + dn);
o.focus();
return true;
}

function noRadio(o,alertText)
{
for (var i=0;i<o.length;i++)
	{
	if (o[i].checked)
		{
		return false;
		}
	}
alert(alertText);
return true;
}


function blankError(dn,o)
{
alert('Please provide your ' + dn + '.');
o.focus();
o.select();
}
function closeWindow() {
  self.close();
}
function doPopUp(url) {
	code = window.open(url,'CiscoPopUp','toolbar=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=no,width=434,height=525');
	if(window.focus) {
		code.focus()
	}
}
var isDom  = (document.getElementById) ? true : false;
var lang="en";
var path="http://www.cisco.com/web/consumer/images/";
function showOver(tabname)
{
	if (isDom) {
	var navtab=document.getElementById(tabname);
	navtab.src = path + lang + '_' + tabname + '_over.jpg';
	}
	else {
	document.images[tabname] = path + lang + '_' + tabname + '_over.jpg';
	}
}
function showDefault(tabname)
{	
	if (isDom) {
	var navtab=document.getElementById(tabname);
	navtab.src = path + lang + '_' + tabname + '.jpg';
	}
	else {
	document.images[tabname] = path + lang + '_' + tabname + '.jpg';
	}
}
/***********************************************
* AnyLink Drop Down Menu- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
		
var menuwidth='125px' //default menu width
var menubgcolor='transparent'  //menu bgcolor
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?


var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

if (hidemenu_onclick=="yes")
document.onclick=hidemenu

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top="-500px"
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
}
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
}

function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)

if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
}

return clickreturnvalue()
}

function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
}
}

function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}

function overMenu(linkname)
{
	if (isDom) {
	var menulink=document.getElementById(linkname);
	menulink.src = path + lang + '_' + linkname + '_over.gif';
	}
	else {
	document.images[linkname] = path + lang + '_' + linkname + '_over.gif';
	}
}
function outMenu(linkname)
{	
	if (isDom) {
	var menulink=document.getElementById(linkname);
	menulink.src = path + lang + '_' + linkname + '.gif';
	}
	else {
	document.images[linkname] = path + lang + '_' + linkname + '.gif';
	}
}