var url = "subscribe.php?email="; // The server-side script
	   function handleHttpResponse() {	
		if (http.readyState == 4) {
			  if(http.status==200) {
			  	var results=http.responseText;
//	alert(results);
		if(results=="error"){results="<span class=red><strong>Alert:</strong>This email already exists.</span>";}
		else{document.getElementById('Email').value = "";}
				 document.getElementById('divCustomerInfo').innerHTML = results;
				 
			  }
  			}
		}
		
	    function requestCallback(subscribe) { 
		   	var name=document.getElementById('Email').value;//document.getElementById("name").value;
		    var subscribe = "subscribe";
//			if(document.getElementById('subscribe').checked){subscribe="subscribe";}else{subscribe="unsubscribe";}

			http.open("get", url + name+"&action="+subscribe, true);
			http.onreadystatechange = handleHttpResponse;
			http.send(null);
			
        }
function getHTTPObject() {
  var xmlhttp;
 
  if(window.XMLHttpRequest){
    xmlhttp = new XMLHttpRequest();
  }
  else if (window.ActiveXObject){
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    if (!xmlhttp){
        xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
    
}
  return xmlhttp;

  
}
var http = getHTTPObject(); // We create the HTTP Object

function subscribeCheck(val)
{
	var email = document.getElementById("Email").value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
 if(document.getElementById("Email").value=="" || document.getElementById("Email").value=="Email.."){alert("Enter email address please!"); return false;}
 

  if(filter.test(email)){
	requestCallback(val);
  return false;
 }else{
	alert("Enter valid email address please!"); return false;
 }
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\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+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}