function added_maillist()
	{
		alert("Thank you. You have subscribed to the mailing list successfully.");
	}

    function validateEmail(elementValue){  
       var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;  
       return emailPattern.test(elementValue);  
     }  

function check_newsletter()
	{
		var email = document.getElementById('email').value;
		if(email !== "" && validateEmail(email) == true){
		document.getElementById('newsL').submit();
		}else{
		alert('Please enter a valid e-mail address');
		}
	}