function Validate(){
					var valid = false;
					var nam = validateName();
					var sur = validateSurname();
					var eml = validateEmail();
										
					if((nam == false)||(sur == false)||(eml == false)){
						valid = false;
						} else {
							valid = true;
						}
					return valid;
					}
						
			function validateName(){
					valid = false;
					if(window.document.maillist.firstname.value == ""){
						alert("Please enter your first name and submit again!");
					} else {
						valid = true;
					}
					return valid;
				}
				
			function validateSurname(){
					valid = false;
					if(window.document.maillist.lastname.value == ""){
						alert("Please enter your last name and submit again!");
					} else {
						valid = true;
					}
					return valid;
				}
												
			function validateEmail(){
					valid = false;
					if(window.document.maillist.email.value == ""){
						alert("Please enter your e-mail address and submit again!");
					} else {
						valid = true;
					}
					return valid;
				}