Início
Postado Dom 18 Set 2011 - 15:34
Script
Modo de Usar
- Código:
<script>
//valida o CNPJ digitado
function ValidarCNPJ(ObjCnpj){
var cnpj = ObjCnpj.value;
var valida = new Array(6,5,4,3,2,9,8,7,6,5,4,3,2);
var dig1= new Number;
var dig2= new Number;
exp = /\.|\-|\//g
cnpj = cnpj.toString().replace( exp, "" );
var digito = new Number(eval(cnpj.charAt(12)+cnpj.charAt(13)));
for(i = 0; i<valida.length; i++){
dig1 += (i>0? (cnpj.charAt(i-1)*valida[i]):0);
dig2 += cnpj.charAt(i)*valida[i];
}
dig1 = (((dig1%11)<2)? 0:(11-(dig1%11)));
dig2 = (((dig2%11)<2)? 0:(11-(dig2%11)));
if(((dig1*10)+dig2) != digito)
alert('CNPJ Invalido!');
}
function txtBoxFormat(strField, 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;
}
else if(document.getElementById) { // FireFox
nTecla = evtKeyPress.which;
}
if (nTecla != 8) {
sValue = document.getElementById(strField).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( ":", "" );
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) == "/"))
bolMask = bolMask || ((sMask.charAt(i) == "(") || (sMask.charAt(i) == ")") || (sMask.charAt(i) == " "))
bolMask = bolMask || (sMask.charAt(i) == ":")
if (bolMask) {
sCod += sMask.charAt(i);
mskLen++; }
else {
sCod += sValue.charAt(nCount);
nCount++;
}
i++;
}
//objForm[strField].value = sCod;
document.getElementById(strField).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;
}
}
}
</script>
Modo de Usar
- Código:
<input name="cnpj" type="text" id="cnpj" onBlur="ValidarCNPJ(formPJ.cnpj);" onKeyPress="return txtBoxFormat(this.id, '99.999.999/9999-99',event);" maxlength="18" />
