function ga_hit(seccion){
	if(seccion){
		//alert('intentando guardar hit a '+ seccion +' ...');
		try { 
			var pageTracker = _gat._getTracker("UA-7885994-2"); 
			pageTracker._trackPageview( seccion ); 
			//alert('hecho!');
		} catch(err) {}
	}
}

function cambiar_idioma(idioma){
	switch(idioma){
		case 'pt':
			writeCookie('lang', 'pt', 24*30);
			location.href='index-pt.php';
			break;
		case 'es':
			writeCookie('lang', 'es', 24*30);
			location.href='index.php';
			break;
	}
}

function writeCookie(name, value, hours){
	var expire = "";
	if(hours != null){
		expire = new Date((new Date()).getTime() + hours * 3600000);
		expire = "; expires=" + expire.toGMTString();
	}
	document.cookie = name + "=" + encodeURIComponent(value) + expire;
}

function readCookie(name){
	var cookieValue = "";
	var search = name + "=";
	if(document.cookie.length > 0){ 
		offset = document.cookie.indexOf(search);
		if (offset != -1){ 
			offset += search.length;
			end = document.cookie.indexOf(";", offset);
			if (end == -1) end = document.cookie.length;
			cookieValue = unescape(document.cookie.substring(offset, end));
		}
	}
	return cookieValue;
}