var diac_lwr="ãáàâäåéèëêìíîïòóôõöøùúûüýñæßç";
var diac_upr="ÃÁÀÂÄÅÉÈËÊÌÍÎÏÒÓÔÕÖØÙÚÛÜÝÑÆßÇ";