function AllCheck() {
	if (document.newsletterSignup.All.checked==true){
		document.newsletterSignup.Activities.checked=true;
		document.newsletterSignup.Accommodation.checked=true;
		document.newsletterSignup.Fishing.checked=true;
		document.newsletterSignup.Kayaking.checked=true;
		document.newsletterSignup.RockClimbing.checked=true;
		document.newsletterSignup.RaftBuilding.checked=true;
		document.newsletterSignup.Abseiling.checked=true;
		document.newsletterSignup.Archery.checked=true;
		document.newsletterSignup.TroutFishing.checked=true;
		document.newsletterSignup.LowRopesChallengeCourse.checked=true;
		document.newsletterSignup.Aeroball.checked=true;
		document.newsletterSignup.TeamChallenges.checked=true;
	}
}
function submitIt(){

		if (document.newsletterSignup.Email.value==""){ 
		alert("Please enter the Email address!");
		document.newsletterSignup.Email.focus();
                    return false; 
         }
		else {var x = document.newsletterSignup.Email.value;
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (!filter.test(x)){
		alert('Invalid email address');
		document.newsletterSignup.Email.focus();
		return false; 
		}
		}
  	
 return true;
}