// Form Validation - Checks that non optional fields are completed
function validateform(){
	var msg = "Some essential fields have not been completed, see below:-\n\n";
	if(document.details.name.value==""){
		msg += " - Name is required\n";	
	}
	if(document.details.email.value==""){
		msg += " - Email is required\n";	
	}
	if(document.details.telephone.value==""){
		msg += " - Telephone is required\n";	
	}
	if(msg=="Some essential fields have not been completed, see below:-\n\n"){
		return true;
	}
	else{
		alert(msg);
		return false;
	}
}