// Piers Caswell - Digital-zest.com 

function checkNewsletterForm() {
	var ourResult = true;
	var alertColour = "#feb780"; 

	var form_emailAddress = document.newsletter_form.newsletter_input;
	var form_emailAddress_v = document.newsletter_form.newsletter_input.value;
	
	var fmsg = "";
			
			var ap1 = form_emailAddress_v.indexOf("@");
			var sp1 = form_emailAddress_v.lastIndexOf(".");
			if (ap1  == -1 || sp1 == -1 || form_emailAddress_v.length < 10 || form_emailAddress_v == "Email address")
			{
			fmsg = fmsg + '* The email address you have entered appears to be invalid \n* Please provide your E-mail Address\n';
			form_emailAddress.focus();
			form_emailAddress.select();
			document.getElementById('newsletter_input').style.backgroundColor=alertColour;
			ourResult = false;      
			}		
	
			if(ourResult == false){
              alert(fmsg);
			  return false
             }else{
			  return true;
             }
}