var request1;
 var request2;
 var request3;
  
 function makeObject()
{
	var x;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer")
	{
		x = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
		x = new XMLHttpRequest();
	}
	return x;
}

function getnewsletter()
{
     request1=makeObject();
	 request1.open('get', 'newsletter_status.php?');
     request1.onreadystatechange = newsletter_status;
     request1.send('');

 }
 
 function newsletter_status()
 {
    if(request1.readyState == 4)
    {
	     var answer=request1.responseText;
		 if(answer==1)
		  document.getElementById('newsletter').innerHTML='You are subscribing to our newsletter';
		 
		 if(answer==0)
		  document.getElementById('newsletter').innerHTML='You have now been removed from our newsletter'; 
		  
    }
}			 
	
function subscribe()
{
     request2=makeObject();
	 request2.open('get', 'newsletter_status.php?status=1');
     request2.onreadystatechange =subs;
     request2.send('');
}

function subs()
{
    document.getElementById('newsletter').innerHTML='You are subscribing to our newsletter';
}

function unsubscribe()
{
     request3=makeObject();
	 request3.open('get', 'newsletter_status.php?status=0');
     request3.onreadystatechange =unsubs;
     request3.send('');
}

function unsubs()
{
    document.getElementById('newsletter').innerHTML='You have now been removed from our newsletter';
}