// JavaScript Document
function formatar(mascara, documento){
  var i = documento.value.length;
  var saida = mascara.substring(0,1);
  var texto = mascara.substring(i)
  
  if (texto.substring(0,1) != saida){
	documento.value += texto.substring(0,1);
  }
}
//end


<!-- responsável para efeito de slide-->
<!-- Begin
// Set Speed
var slideShowSpeed = 3000;
// Crossfade
var crossFadeDuration = 2;
// Files
var Pic = new Array();
Pic[0] = '/imagens/publicidade1.gif'
Pic[1] = '/imagens/publicidade1.jpg'
Pic[2] = '/imagens/publicidade1.jpg' 
Pic[3] = '/imagens/publicidade1.jpg'


var t;
var j = 0;
var p = Pic.length;
var preLoad = new Array();
for (i = 0; i < p; i++) {
preLoad[i] = new Image();
preLoad[i].src = Pic[i];
}
function runSlideShow() {
if (document.all) {
document.images.SlideShow.style.filter="blendTrans(duration=2)";
document.images.SlideShow.style.filter="blendTrans(duration=crossFadeDuration)";
document.images.SlideShow.filters.blendTrans.Apply();
}
document.images.SlideShow.src = preLoad[j].src;
if (document.all) {
document.images.SlideShow.filters.blendTrans.Play();
}
j = j + 1;
if (j > (p - 1)) j = 0;
t = setTimeout('runSlideShow()', slideShowSpeed);
}
//  End -->