function abre_jan_envie(nome_arq) 
 { 
   window.open("/modelos/jan_envie.asp?arq=" + nome_arq, null, "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=500,height=420");
 }
 function abre_jan_dicas() 
 { 
   window.open("/modelos/dicas_mm.htm", null, "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=550,height=500");
 }