function formataCNPJ(obj){
	var cnpj="";
	if(obj && obj.value != ""){
		cnpj= obj.value.replace(/[^0-9]/gi, "");
		var a = (cnpj.length > 0)  ?     cnpj.substr(0,2) : "";
		var b = (cnpj.length > 2)  ? "."+cnpj.substr(2,3) : "";
		var c = (cnpj.length > 5)  ? "."+cnpj.substr(5,3) : "";
		var d = (cnpj.length > 8)  ? "/"+cnpj.substr(8,4) : "";
		var e = (cnpj.length > 12) ? "-"+cnpj.substr(12,2) : "";
		obj.value = a+b+c+d+e;
	}
}