var iframeFlag = 0;
try { document.execCommand ('BackgroundImageCache', false, true);} catch (e) {}

function tii_dom_createElement (nodeName, attributes) {
var isopera = typeof window.opera != 'undefined';var isie = typeof document.all != 'undefined' && !isopera && navigator.vendor != 'KDE';
var newElement;try {
newElement = document.createElement (nodeName);}
catch (error) {
return null;}

var attributesLength = attributes.length;for (var i = 0;i < attributesLength;i++) {
var attribute = attributes[i][0];var value = attributes[i][1];newElement.setAttribute(attribute, value);switch (attribute) {
case 'id':
newElement.id = value;break;case 'class':
if (isie) {
newElement.setAttribute ('className', value);}
newElement.className = value;break;case 'style':
newElement.style.cssText = newElement.style.cssText + ' ' + value;break;case 'for':
if (isie) {
newElement.setAttribute ('htmlFor', value);}
newElement.htmlFor = value;}
}
return newElement;}


function tii_dom_removeWhitespaceTextNodes(node) {
for (var x = 0;x < node.childNodes.length;x++) {
var child = node.childNodes [x];if (child.nodeType == 3 && !/\S/.test(child.nodeValue)) {
node.removeChild(node.childNodes[x]);x--;}
if (child.nodeType == 1) {
tii_dom_removeWhitespaceTextNodes(child);}
}
}

function tii_callFunctionOnWindowLoad(functionToCall) {
if (typeof window.addEventListener != 'undefined') {
window.addEventListener ('load', functionToCall, false);}
else if (typeof document.addEventListener != 'undefined') {
document.addEventListener ('load', functionToCall, false);}
else if (typeof window.attachEvent != 'undefined') {
window.attachEvent ('onload', functionToCall);}
else {
var oldFunctionToCall = window.onload;if (typeof window.onload != 'function') {
window.onload = functionToCall;}
else {
window.onload = function () {
oldFunctionToCall ();functionToCall ();};}
}
}

function tii_callFunctionOnElementLoad(targetId, functionToCall) {
var myArguments = arguments;tii_callFunctionOnWindowLoad (function () {
window.loaded = true;});var targetElement = document.getElementById (targetId);if (targetElement == null && !window.loaded) {
var pollingInterval = setInterval (function () {
if (window.loaded) {
clearInterval (pollingInterval);}
targetElement = document.getElementById (targetId);if (targetElement != null) {
clearInterval(pollingInterval);var argumentsTemp = new Array();var argumentsTempLength = myArguments.length - 2;for (var i = 0;i < argumentsTempLength;i++) {
argumentsTemp[i] = myArguments[i + 2];} 
functionToCall.apply(this, argumentsTemp);}
}, 10);}
}


function tii_addEventHandlerOnElementLoad(targetId, eventType, functionToCall, bubbleEventUpDOMTree) {
tii_callFunctionOnWindowLoad (function() {window.loaded = true;});var targetElement = document.getElementById (targetId);if (targetElement == null && !window.loaded) {
var pollingInterval = setInterval (function () {
if (window.loaded) {
clearInterval(pollingInterval);}
targetElement = document.getElementById(targetId);if (targetElement != null) {
clearInterval(pollingInterval);tii_addEventHandler(targetElement, eventType, functionToCall, bubbleEventUpDOMTree);}
}, 10);}
}


function tii_addEventHandler(targetElement, eventType, functionToCall, bubbleEventUpDOMTree) {
if (!targetElement) {
window.status = 'Warning: Tried to attach event to null object';return false;}
if (typeof targetElement.addEventListener != 'undefined') {
targetElement.addEventListener (eventType, functionToCall, bubbleEventUpDOMTree);}
else if (typeof targetElement.attachEvent != 'undefined') {
targetElement.attachEvent ('on' + eventType, functionToCall);}
else {
eventType = 'on' + eventType;if (typeof targetElement [eventType] == 'function') {
var oldListener = targetElement [eventType];targetElement [eventType] = function () {
oldListener ();return functionToCall ();}
}
else {
targetElement [eventType] = functionToCall;}
}
return true;}

function tii_removeEventHandler(targetElement, eventType, functionToRemove, bubbleEventUpDOMTree) {
if (typeof targetElement.removeEventListener != "undefined") {
targetElement.removeEventListener(eventType, functionToRemove, bubbleEventUpDOMTree);}
else if (typeof targetElement.detachEvent != "undefined") {
targetElement.detachEvent("on" + eventType, functionToRemove);}
else {
targetElement["on" + eventType] = null;}
return true;}

function tii_stopDefaultAction (event) {
event.returnValue = false;if (typeof event.preventDefault != 'undefined') {
event.preventDefault ();}
}




/* ========== begin TEXT RESIZER ========== */
var steps = 0;var stepSize = 0.2;//in ems
function textResize(n) {
var idArray = new Array("midWrap", "footer");steps += n;for (var i=0;i < idArray.length;i++) {
var id = document.getElementById(idArray[i]);if (id) {
var size = id.style.fontSize;if (!size || size == "") {
size = (1 + stepSize*n) + "em";}
else if (size.indexOf("em") > -1) {
var sizeNum = parseFloat(size.substring(0, size.indexOf("em")));size = (sizeNum + stepSize*n) + "em";}
else {
size = "1em";//something went wrong
}
id.style.fontSize = size;}
}
createResizeHTML();}
function createResizeHTML() {
var resizeDiv = document.getElementById("textResize");if (resizeDiv) {
var html = '<table cellspacing="0" cellpadding="0"><tr><td>Text Size:</td><td class="minus">';html += (steps <= -3) ? '<a class="inactive">' : '<a onclick="textResize(-1);">';html += '<img src="http://img2.timeinc.net/health/static/i/blank.gif" alt="Decrease" /></a></td><td class="plus">';html += (steps >= 3) ? '<a class="inactive">' : '<a onclick="textResize(1);">';html += '<img src="http://img2.timeinc.net/health/static/i/blank.gif" alt="Increase" /></a></td></tr></table>';resizeDiv.innerHTML = html;
}
}
tii_callFunctionOnElementLoad("textResize", function(event) {
createResizeHTML();});/* ========== end TEXT RESIZER ========== */


/* ========== begin POPUP OPENER ========== */
function initPopups() {
var links = document.getElementsByTagName('a');for (var i=0;i < links.length;i++) {
if (links[i].className == 'popup1') {
links[i].onclick = function() {
popup = window.open(this.getAttribute('href'), 'popup', 'width=500,height=620');popup.focus();return false;}
}
}
}
tii_callFunctionOnWindowLoad(function(event) {
initPopups();});/* ========== end POPUP OPENER ========== */


/* ========== begin NEWSLETTER VALIDATOR ========== */
function isValidEmail(str) {
var filter = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})$/;return (filter.test(str));}
function validateWklyForm(which) {
if (!isValidEmail(which.wkly_email.value)) {
alert("Invalid email address. Address must be in the form 'name@domain.com'.");}
else {
which.submit();}
}


function validateWkly1Form(which) {
if (!isValidEmail(which.email.value)) {
alert("Invalid email address. Address must be in the form 'name@domain.com'.");}
else {
which.submit();}

}


function validateWkly2Form(which) {
if (!isValidEmail(which.email.value)) {
alert("Invalid email address. Address must be in the form 'name@domain.com'.");}
else {
which.submit();}

}

function validateWklyRRForm(which) {
if (!isValidEmail(which.email.value)) {
alert("Invalid email address. Address must be in the form 'name@domain.com'.");}
else {
which.submit();}

}



function clearEmailField(event) { 
var eventSource = typeof event.target != 'undefined' ? event.target : window.event.srcElement;if (eventSource.value.toLowerCase() == "enter email address") {
eventSource.value = "";}
}

function restoreEmailField(event) { 
var eventSource = typeof event.target != 'undefined' ? event.target : window.event.srcElement;if (eventSource.value == "") {
eventSource.value = "Enter email address";}
}

function initNewsSignup() {
var wklyNewsForm = document.getElementById("wklyNews");var wklyNews1Form = document.getElementById("wklyNews1");var wklyNews2Form = document.getElementById("wklyNews2");var wklyNewsRRForm = document.getElementById("wklyNewsRR");if (wklyNewsForm) {
tii_addEventHandler(wklyNewsForm, "submit", function(event){
var eventSource = typeof event.target != 'undefined' ? event.target : window.event.srcElement;validateWklyForm(eventSource);tii_stopDefaultAction(event);}, false);if (wklyNewsForm.wkly_email != undefined) {
tii_addEventHandler(wklyNewsForm.wkly_email, "focus", clearEmailField, false);tii_addEventHandler(wklyNewsForm.wkly_email, "blur", restoreEmailField, false);}

if (wklyNewsForm.wkly_email_footer != undefined) {
tii_addEventHandler(wklyNewsForm.wkly_email_footer, "focus", clearEmailField, false);tii_addEventHandler(wklyNewsForm.wkly_email_footer, "blur", restoreEmailField, false);}
}

if (wklyNews1Form) {
tii_addEventHandler(wklyNews1Form, "submit", function(event){
var eventSource = typeof event.target != 'undefined' ? event.target : window.event.srcElement;validateWkly1Form(eventSource);tii_stopDefaultAction(event);}, false);
if (wklyNews1Form.email != undefined) { 
tii_addEventHandler(wklyNews1Form.email, "focus", clearEmailField, false);tii_addEventHandler(wklyNews1Form.email, "blur", restoreEmailField, false);}
}

if (wklyNews2Form) {
tii_addEventHandler(wklyNews2Form, "submit", function(event){
var eventSource = typeof event.target != 'undefined' ? event.target : window.event.srcElement;validateWkly2Form(eventSource);tii_stopDefaultAction(event);}, false);
if (wklyNews2Form.email != undefined) { 
tii_addEventHandler(wklyNews2Form.email, "focus", clearEmailField, false);tii_addEventHandler(wklyNews2Form.email, "blur", restoreEmailField, false);}
}

if (wklyNewsRRForm) {
tii_addEventHandler(wklyNewsRRForm, "submit", function(event){
var eventSource = typeof event.target != 'undefined' ? event.target : window.event.srcElement;validateWklyRRForm(eventSource);tii_stopDefaultAction(event);}, false);
if (wklyNewsRRForm.email != undefined ) { 
tii_addEventHandler(wklyNewsRRForm.email, "focus", clearEmailField, false);tii_addEventHandler(wklyNewsRRForm.email, "blur", restoreEmailField, false);}
}

}



tii_callFunctionOnWindowLoad(function(event) {
initNewsSignup();});
/* ========== end NEWSLETTER VALIDATOR ========== */
/* begin toggle plus / minus function */

(function() {

var DOMUtils = {
getElementsByClassName : function(searchClass, node, tag) {
var classElements = [];if(node == null) {
node = document;}
if(tag == null) {
tag = '*';}

var els = node.getElementsByTagName(tag);var elsLen = els.length;for(var i=0, j=0, ele;i<elsLen;i++) {
ele = els[i];if(DOMUtils.hasClass(ele, searchClass)) {
classElements[j] = ele;j++;}
}
return classElements;}, // getElementsByClassName

hasClass : function(ele,cls) {
if(typeof ele != 'undefined') {
return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));}
return false;}, // hasClass

addClass : function(ele,cls) {
if(typeof ele != 'undefined') {
if(!this.hasClass(ele,cls)) {
ele.className += " "+cls;}
}
}, // addClass

removeClass : function(ele,cls) {
if(typeof ele != 'undefined') {
if (this.hasClass(ele,cls)) {
var reg = new RegExp('(\\s|^)'+cls+'(\\s|$)');ele.className=ele.className.replace(reg,' ');}
}
} // removeClass

};// DOMUtils

var EventUtils = {

addEventListener: function() {
if (window.addEventListener) {
return function(el, sType, fn, capture) {
el.addEventListener(sType, fn, (capture));};} else if (window.attachEvent) {
return function(el, sType, fn, capture) {
el.attachEvent('on' + sType, fn);};} else {
return function(){};}
}(), // addEventListener

stopEvent: function(ev) {
this.stopPropagation(ev);this.preventDefault(ev);
}, // stopEvent

stopPropagation: function(ev) {
if (ev.stopPropagation) {
ev.stopPropagation();} else {
ev.cancelBubble = true;}
}, // stopPropagation

preventDefault: function(ev) {
if (ev.preventDefault) {
ev.preventDefault();} else {
ev.returnValue = false;}
} // preventDefault

};// EventUtils

var Toggler = {

openNodeId : '',

toggableNodes : [],

toggleNode : function(e, nodes) {
var $D = DOMUtils;var $T = Toggler;
if(typeof nodes != 'undefined' && $T.toggableNodes.length==0) {
$T.toggableNodes = nodes;}

var nodeId, class_name;
if(e) {
class_name = this.className;nodeId = class_name.match(/tog-(\w*)\s?/)[1];EventUtils.stopEvent(e);}
else {
nodeId = $T.openNodeId;class_name = 'tog-' + nodeId;}

var elem = document.getElementById(nodeId);for(var tn in $T.toggableNodes) {
if($D.hasClass($T.toggableNodes[tn], class_name)) {
var link = $T.toggableNodes[tn];break;}
}

if(elem.style.display=='none') {

if($T.openNodeId!=='') {
$T.toggleNode();}
elem.style.display = 'block';$T.openNodeId = nodeId;$D.addClass(link,'on');if(nodeId=='hidden_tags') {
link.innerHTML = 'See fewer tags';}
}
else {
elem.style.display = 'none';$T.openNodeId = '';$D.removeClass(link,'on');if(nodeId=='hidden_tags') {
link.innerHTML = 'See more tags';}
}
}, // toggleNode

activateTogglers : function(action, cls, node, tag) {
var togglers = DOMUtils.getElementsByClassName(cls, node, tag);
if(typeof YAHOO != 'undefined') {
YAHOO.util.Event.addListener(togglers, action, Toggler.toggleNode, togglers);}
else {
for(var i=0, togLen=togglers.length;i<togLen;i++) {
EventUtils.addEventListener(togglers[i], action, Toggler.toggleNode, togglers);}
}
} // activateTogglers

};// Toggler

if(typeof YAHOO != 'undefined') {
YAHOO.namespace('TII.util');YAHOO.TII.util.DOMUtils = DOMUtils;YAHOO.TII.util.EventUtils = EventUtils;YAHOO.TII.util.Toggler = Toggler;YAHOO.TII.util.getElementsByClassName = DOMUtils.getElementsByClassName;}
if(typeof HealthUtils == 'undefined') {
HealthUtils = {};}
HealthUtils.DOMUtils = DOMUtils;HealthUtils.EventUtils = EventUtils;HealthUtils.Toggler = Toggler;
}());// HealthUtils


function healthFormatAdTagValue(ad_tag_value) {

ad_tag_value = ad_tag_value.replace(/'|\u00A9|\u24B8|\u24D2|\u00AE|\u24C7|\u2122|&|\/|-|!|;|~|:|\?|@|{|}|\^|\$|%|\+|\||\\/g,'');ad_tag_value = ad_tag_value.replace(/\t/g," ").replace(/ {2,}/g, " ");
return ad_tag_value.toLowerCase();}