function validate() {
		if  (document.getElementById("name").value.length < 3) {
			alert("Please enter your name.");
			return false; 
		}
		if  ((document.getElementById("email").value.length < 3) && (document.getElementById("telephone").value.length <6)) {
			alert("Please enter your email address or telephone number.");
			return false; 
			}
			return true;
		}