$(document).ready(function(){ 
    // Check for correct zip code
    $("form#ratequote").submit(function (e) {
  //      e.preventDefault();
    reZip = new RegExp(/(^\d{5}$)|(^\d{5}-\d{4}$)/);
        if (!reZip.test($("input#zipcode").val())) {
            alert("Please Enter a Valid Zipcode");
            return false;
        }
return true;

         
    });
   
});