var xhrobj;
			var ajax_id;
			function ajax_request(file,id) {
			  ajax_id = id;
			  if(navigator.appName == "Microsoft Internet Explorer") {
			    xhrobj = new ActiveXObject("Microsoft.XMLHTTP");
			  } else {
			    xhrobj = new XMLHttpRequest();
			  }
			  
			  xhrobj.open('post', file);
			  xhrobj.onreadystatechange = ajax_response;
			  xhrobj.send(null);
			}

			function ajax_response() {
			  if(xhrobj.readyState == 4) {
			    document.getElementById(ajax_id).innerHTML = xhrobj.responseText;
			  }
			}
			/*
			function send_newsletter()
			{
				var email  = document.getElementById('email_news_letter').value;
				if(isEmail(email))
					ajax_request('contactUs.php?email_news_letter='+email,'ajax_news')
				else 
					alert("Email address format is incorrect");
			}
			
			function isEmail(email) 
			{
				if (email.indexOf ('@',0) == -1 || email.indexOf ('.',0) == -1)
				{
					return false;
				}
				return true;
			} 

			
			function send_contact(msg)
			{
				var email=document.getElementById('email').value;
				var fname=document.getElementById('fname').value;
				var message=document.getElementById('message').value;
				var phone=document.getElementById('phone').value;
				
				if(isEmail(email))
					ajax_request('contactUs.php?email='+email+'&fname='+fname+'&message='+message+'&phone='+phone,'contactUs_ajax')
				else
					alert(msg);
			}
			*/