function DigitarSoNumero(){
	if(((event.keyCode>=0x30)&&(event.keyCode<=0x39))||(event.keyCode==8)||(event.keyCode==13)){
		return true;
	}
event.keyCode=0;
}

function upload_window(page_upload)
{
	var var_toolbar = "no";
	window.open(page_upload, 'newWindow', 'toolbar='+var_toolbar+',location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,left=200,top=50,width=300,height=250');
}

//MÁSCARA DE VALORES
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;
}
}