function formata_cep(field){
	tel = eval("document.frm_cadastro_corp."+field+".value");
	while (tel.indexOf(".") > 0)
		tel = tel.replace(".","");
	while (tel.indexOf("-") > 0)
		tel = tel.replace("-","");
	tel_final = tel;
	if (tel.length >= 2){
		tel_final = tel.substring(0,2) + "." + tel.substring(2,5) + "-" +tel.substring(5,10);
	}
	document.frm_cadastro_corp.cep.value = tel_final;
}

function formata_cep_cob(field){
	tel = eval("document.frm_cadastro_corp."+field+".value");
	while (tel.indexOf(".") > 0)
		tel = tel.replace(".","");
	while (tel.indexOf("-") > 0)
		tel = tel.replace("-","");
	tel_final = tel;
	if (tel.length >= 2){
		tel_final = tel.substring(0,2) + "." + tel.substring(2,5) + "-" +tel.substring(5,10);
	}
	document.frm_cadastro_corp.cep_cob.value = tel_final;
}