function SoNumero(tecla){
	if (tecla.keyCode < 45 || tecla.keyCode > 57) tecla.returnValue = false;
}

function Limpar(valor, validos) {
	// retira caracteres invalidos da string
	var result = "";
	var aux;
	for (var i=0; i < valor.length; i++) {
		aux = validos.indexOf(valor.substring(i, i+1));
		if (aux>=0) {
			result += aux;
		}
	}
	return result;
}

function FormataValor(campo,tammax,teclapres,decimal) {
	var tecla = teclapres.keyCode;
	vr = Limpar(campo.value,"0123456789");
	tam = vr.length;
	dec=decimal
	if (tam < tammax && tecla != 8){ tam = vr.length + 1 ; }
	if (tecla == 8 ) { tam = tam - 1 ; }
	if ( tecla == 8 || tecla >= 48 && tecla <= 57 || tecla >= 96 && tecla <= 105 ){
		if ( tam <= dec ) { campo.value = vr ; }
		if ( (tam > dec) && (tam <= 5) ){ campo.value = vr.substr( 0, tam - 2 ) + "," + vr.substr( tam - dec, tam ) ; }
		if ( (tam >= 6) && (tam <= 8) ){campo.value = vr.substr( 0, tam - 5 ) + "." + vr.substr( tam - 5, 3 ) + "," + vr.substr( tam - dec, tam ) ; }
		if ( (tam >= 9) && (tam <= 11) ){campo.value = vr.substr( 0, tam - 8 ) + "." + vr.substr( tam - 8, 3 ) + "." + vr.substr( tam - 5, 3 ) + "," + vr.substr( tam - dec, tam ) ; }
		if ( (tam >= 12) && (tam <= 14) ){campo.value = vr.substr( 0, tam - 11 ) + "." + vr.substr( tam - 11, 3 ) + "." + vr.substr( tam - 8, 3 ) + "." + vr.substr( tam - 5, 3 ) + "," + vr.substr( tam - dec, tam ) ; }
		if ( (tam >= 15) && (tam <= 17) ){campo.value = vr.substr( 0, tam - 14 ) + "." + vr.substr( tam - 14, 3 ) + "." + vr.substr( tam - 11, 3 ) + "." + vr.substr( tam - 8, 3 ) + "." + vr.substr( tam - 5, 3 ) + "," + vr.substr( tam - 2, tam ) ;}
	}

}

function abrePopup(arquivo,nome, largura, altura ){
	tamanho = "height="+ altura +",width="+ largura +",scrollbars=yes,toolbar=no,location=no,status=no,menubar=no,resizable=yes";
	window.open(arquivo,nome, tamanho);  
}

function PkOnKey (Campo,Prox){
	if (Campo.value.length == Campo.maxLength)
		Prox.focus();
}

function FormataCampo(src, mask) 
{
  var i = src.value.length;
  var saida = mask.substring(0,1);
  var texto = mask.substring(i)
if (texto.substring(0,1) != saida) 
  {
	src.value += texto.substring(0,1);
  }
}