/// <reference path="jquery.js"/>

$(document).ready
(
    function() {
        $(".zipcode-lookup").blur(
            function() {
                var targetfield = $(this).attr('lookuptarget');
                $.get("/?altTemplate=AjaxProxy&ajax-lookupzip=" + this.value,
	                function(data) {
	                    $('#' + targetfield).val(data);
	                }
                );
            }
        )
    }
);