// JavaScript Document

function validate() {
			
			if(document.joinform.first_names.value.length < 1) {
				window.alert("Please enter your first name.");
				return false;		
			}
			
			if(document.joinform.last_name.value.length < 1) {
				window.alert("Please enter your last name.");
				return false;		
			}
			
			if(document.joinform.email.value.length < 5) {
				window.alert("Please enter a valid email address.");
				return false;		
			}		
			
			if(document.joinform.zip_entered_by_user.value.length < 5) {
				window.alert("Please enter a valid zip code.");
				return false;		
			}		
				
			return true;
		}