JScript Version

<script type="text/javascript">
function ajaxRequest(){
 var activexmodes=["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"] //activeX versions to check for in IE
 if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
  for (var i=0; i<activexmodes.length; i++){
   try{
    return new ActiveXObject(activexmodes[i])
   }
   catch(e){
    //suppress error
   }
  }
 }
 else if (window.XMLHttpRequest) // if Mozilla, Safari etc
  return new XMLHttpRequest()
 else
  return false
}

var mypost=new ajaxRequest()
mypost.onreadystatechange=function(){
 if (mypost.readyState==4){
  if (mypost.status==200 || window.location.href.indexOf("https")==-1){
   alert("result").innerHTML=mypost.responseText
  }
  else{
   alert("An error has occured making the request")
  }
 }
}
var type = encodeURIComponent("note")
var title = encodeURIComponent("Note title")
var body = encodeURIComponent("Note Body")
var params = "type="+type+"&title="+title+"&body="+body
mypost.open("POST", "https://api.pushbullet.com/v2/pushes", true)
mypost.setRequestHeader("Content-type", "application/x-www-form-urlencoded")
mypost.send(params)
</script>