function escapeHTML(str)
{
   var div = document.createElement('div');
	div.innerHTML = str;
	return div.innerHTML;
}

function Validar() { //v4.0
  var ok = false;
  if (document.getElementById)
  {
    var i,p,q,nm,test,num,min,max,errors='',args=Validar.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.title; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+= escapeHTML('- O campo '+nm+' deve conter um e-mail v&aacute;lido.')+'\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+= escapeHTML('- O campo '+nm+' deve conter apenas n&uacute;meros.')+'\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+= escapeHTML('- O campo '+nm+' deve conter n&uacute;meros entre'+min+' and '+max+'.')+'\n';
      } } } else if (test.charAt(0) == 'R') errors += escapeHTML('- O campo '+nm+' &eacute; obrigat&oacute;rio')+'\n'; }
    } 
	if (errors)
		alert(''+errors);
	else
		ok = true;
	} 
	return ok;
}