$(document).ready(function()
{
 
  //newsletter
   newsfrm   = $("#newsfrm");
	newsuser = $("#newsuser");	
	newsfrm.submit(function(e){
	        newsuserval = newsuser.val();
            var fileajax = "newsletter.php";
			var dataString ='newsuser='+ newsuserval;
                jQuery.ajax({
				type: "POST",
				url: fileajax,
				cache: false,
				data: dataString,
				success: function(cbackdata) {alert(cbackdata);}
			  });      
	
          });
});