//<!--
function abre(pagina,nome,tamx,tamy, auxscroll) {
		   popup1 = window.open(pagina,nome,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+auxscroll+',resizable=no,copyhistory=no,width='+tamx+',height='+tamy+',screeny=10,screenx=10');
} 

function verifica_enquete(formulario){
	vazio = 1;
	for (i=0; i<formulario.resposta.length; i++){
		if (formulario.resposta[i].checked) vazio=0;
	}
	return vazio;
}

function MM_showLayers() { //v1.0
  var i, visStr, args;
  args = MM_showLayers.arguments;
 
  
  for (i=0; i<(args.length-2); i+=3) { //with arg triples (objNS,objIE,visStr)
   if (eval(args[i+1])!=null){
    visStr   = args[i+2];
    if (navigator.appName == 'Netscape') {
      if (document.layers != null) {
	  	eval(args[i]+".visibility = '"+visStr+"'");
	  }
    } else { //IE
      if (visStr == 'show') visStr = 'visible'; //convert vals
      if (visStr == 'hide') visStr = 'hidden';
      if (document.all != null) eval(args[i+1]+".style.visibility = '"+visStr+"'");
  } }
  }
}
//-->