function toggleLang() {
	var currentURL = document.URL;
	var toggleURL = '';
	if(currentURL.indexOf('/es') != -1) {
		if(currentURL.indexOf('/patients/') != -1) {
			toggleURL = '/patients/';
		} else if (currentURL.indexOf('/campaignnews/') != -1) {
			toggleURL = '/campaignnews/';
		} else { 
			toggleURL = currentURL.substring(0,currentURL.indexOf('/es/')) + currentURL.substring(currentURL.indexOf('/es/')+3);		
		}
		
	} else {
		if(currentURL.indexOf('/patients/') != -1) {
			toggleURL = '/es/patients/';
		} else if (currentURL.indexOf('/campaignnews/') != -1) {
			toggleURL = '/es/campaignnews/';
		} else if (currentURL.indexOf('/donate/') != -1) {
			toggleURL = 'https://shop.stjude.org/GiftCatalog/express-donation.do?lang=es&program=TNG';
		} else {
			toggleURL = currentURL.substring(0,currentURL.indexOf('/', currentURL.indexOf('org'))) + '/es' + currentURL.substring(currentURL.indexOf('/', currentURL.indexOf('org')));
		}
	}
	
	location.href = toggleURL;
}