var requiredFields1 = [];
requiredFields1["first_name"] = ["text", "First Name"];
requiredFields1["last_name"] = ["text", "Last Name"];
requiredFields1["email"] = ["email", "E-mail"];
requiredFields1["password"] = ["text", "Password", "", 6, 20];
requiredFields1["agree"] = ["checkbox", "", "Please agree to the Terms of Service."];

var requiredFields2 = [];
requiredFields2["zip"] = ["num", "Zip Code", "", 5, 5];
//requiredFields2["gender"] = ["select", "Gender"];