function addmail() {
  var xmlHttp;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        alert("Your browser does not support AJAX!");
        return false;
        }
      }
    }
   xmlHttp.onreadystatechange=function()
      {
      if(xmlHttp.readyState==4)
	{
	mudar = document.getElementById("newsletter");
	mudar.innerHTML =xmlHttp.responseText;
        }
      }
   fmail = document.getElementById("fmail");
   xmlHttp.open("GET",'newsletter/mail_addajax.asp?fmail='+ fmail.value,true);
   xmlHttp.send(null);

}

function delmaila() {
  var xmlHttp;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        alert("Your browser does not support AJAX!");
        return false;
        }
      }
    }
   xmlHttp.onreadystatechange=function()
      {
      if(xmlHttp.readyState==4)
	{
	mudar = document.getElementById("newsletterdel");
	mudar.innerHTML =xmlHttp.responseText;
        }
      }
   fdelmail = document.getElementById("fdelmail");
   xmlHttp.open("GET",'newsletter/mail_delajax.asp?fmail='+ fdelmail.value,true);
   xmlHttp.send(null);

}


function mudaimagem(qual,status) {
	mudar = document.getElementById(qual);
	mudar.src='imgs/bcomu_breve.gif';
	if (status == "on") {
		mudar.src='imgs/' + qual + '_breve.gif';
	}
	else {
		mudar.src='imgs/' + qual + '.gif';
	}
}