function leerCookie(nombre){
	var nameEQ = nombre + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i<ca.length;i++){ //leer valor de cookies
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function setearCookie(nombre,valor,dias) {
  if (dias) { //a la fecha del sistema se le suma el numero de dias que desean activar la cookie
 	var date = new Date();
	date.setTime(date.getTime()+(dias*24*60*60*1000));
	var expires = "; expires="+date.toGMTString();
  } else {
	 var expires = "";
  }
  document.cookie = nombre+"="+valor+ expires+ "; path=/";
}

function borrarCookie(nombre){
  setearCookie(nombre,"",-1);
}


function cambioIdioma(parIdioma){
	if(parIdioma != "es" && parIdioma!="en") parIdioma = "es";
	setearCookie("synergic_language",parIdioma,365);
	var location = document.URL;
	var array_url = location.split("&language");
	var array_url = array_url[0].split("language");
	var last_url = array_url[0].split("?");
	if(last_url[1] != undefined){
		document.location.href = last_url[0] + "?" +  last_url[1] + "&language=" + parIdioma;
	}else{
		document.location.href = last_url[0] + "?language=" + parIdioma;
	}
}