function txtBoxFormat(objeto, sMask, evtKeyPress) {
	var i, nCount, sValue, fldLen, mskLen,bolMask, sCod, nTecla;
	if(document.all) { // Internet Explorer
		nTecla = evtKeyPress.keyCode; }
	else if(document.layers) { // Nestcape
		nTecla = evtKeyPress.which;
	}
	sValue = objeto.value;

	// Limpa todos os caracteres de formatação que
	// já estiverem no campo.
	sValue = sValue.toString().replace( "-", "" );
	sValue = sValue.toString().replace( "-", "" );
	sValue = sValue.toString().replace( ".", "" );
	sValue = sValue.toString().replace( ".", "" );
	sValue = sValue.toString().replace( "/", "" );
	sValue = sValue.toString().replace( "/", "" );
	sValue = sValue.toString().replace( ":", "" );
	sValue = sValue.toString().replace( ":", "" );
	sValue = sValue.toString().replace( "(", "" );
	sValue = sValue.toString().replace( "(", "" );
	sValue = sValue.toString().replace( ")", "" );
	sValue = sValue.toString().replace( ")", "" );
	sValue = sValue.toString().replace( " ", "" );
	sValue = sValue.toString().replace( " ", "" );
	fldLen = sValue.length;
	mskLen = sMask.length;

	i = 0;
	nCount = 0;
	sCod = "";
	mskLen = fldLen;

	while (i <= mskLen) {
		bolMask = ((sMask.charAt(i) == "-") || (sMask.charAt(i) == ".") ||
		(sMask.charAt(i) == "/") || (sMask.charAt(i) == ":"))
		bolMask = bolMask || ((sMask.charAt(i) == "(") || (sMask.charAt(i) ==
		")") || (sMask.charAt(i) == " "))

		if (bolMask) {
			sCod += sMask.charAt(i);
			mskLen++; }
		else {
			sCod += sValue.charAt(nCount);
			nCount++;
		}
		i++;
	}
	objeto.value = sCod;

	if (nTecla != 8) { // backspace
		if (sMask.charAt(i-1) == "9") { // apenas números...
			return ((nTecla > 47) && (nTecla < 58)); } // números de 0 a 9
		else { // qualquer caracter...
			return true;
		}
	}
	else {
		return true;
	}
}


function formatar(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);
	}
}
function Ocultar(rdo,indice,text){
    
    var rdolist = document.getElementsByName(rdo); 
	if (rdolist[indice].checked)
		document.getElementById(text).style.visibility = 'visible';
	else
		document.getElementById(text).style.visibility = 'hidden';
}
function OcultarChk(text) 
{
    
    if (document.getElementById(text).style.visibility == 'hidden') 
      { 
          document.getElementById(text).style.visibility = 'visible';
      }
    else
      {
          document.getElementById(text).style.visibility = 'hidden';      
      }  
}