function validate() { 
	
	var isValid = true; 
	var isNewsletterSelected = true; 
	var errorString = ""; 
	var x = document.BSFOptinForm; 
	var strEmail = document.getElementById('newsletteremail').value;

	if(strEmail == "email@domain.com"){ 
		isValid = false;
		errorString = "email address";	
	}

	if (isValid == true && isNewsletterSelected == true) { 
		return true; 
	} 
	
	else { 
		if (isNewsletterSelected == false) { 
			errorString = errorString + "----------------------\nPlease select at least one subscription";  
		} 

		alert("Following fields are required:\n\n" + errorString); 
		return false; 
	} 
}