function toggleLanguage(){
	if($('languageSelection').className == 'languagePortugueseEnabled'){
		$('languageSelection').className = 'languageEnglishEnabled';
		window.location.href = window.location.href + 'lang=en';
	}else{
		$('languageSelection').className = 'languagePortugueseEnabled';
		window.location.href = window.location.href + '?lang=pt';
	}
}