function check_lang()
{

	var url = new String((window.location));
	if(url.match('lang-pref/es'))
	{
		document.getElementById('sendf').innerHTML='envia a un amigo';
		document.getElementById('email').innerHTML='imprimir';
	}
	else
	{
		document.getElementById('sendf').innerHTML='Send to a friend';
		document.getElementById('email').innerHTML='Print';
	}
}

window.onload = check_lang;