//ABRE POPUPS NO CENTRO DA TELA
function popupWindow(mypage, myname, w, h, scroll) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function formatar_mascara(src, mascara) {
	var campo = src.value.length;
	var saida = mascara.substring(0,1);
	var texto = mascara.substring(campo);
	if(texto.substring(0,1) != saida) {
		src.value += texto.substring(0,1);
	}
}