function getCookie(c_name){
	if (document.cookie.length>0){
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1){
			c_start=c_start + c_name.length+1; 
    			c_end=document.cookie.indexOf(";",c_start);
    			if (c_end==-1) c_end=document.cookie.length;
    			return unescape(document.cookie.substring(c_start,c_end));
    		} 
  	}
	return "";
}

function setCookie(c_name,value,expiredays){
	//var exdate=new Date();
	//exdate.setDate(exdate.getDate()+expiredays);
	//document.cookie="lang="+escape(value)+";expires="+exdate.toGMTString();
}

function cambiarIdioma(idioma){
	setCookie("lang",idioma,9999);
}