$("document").ready(function(){$("#zipcode").focus();$("#form-zip").submit(function(a){a.stopPropagation();return isValidZip()});makeDownloadLink()});function isValidZip(){var a=$("#zipcode");if(a.val().length!=5||isNaN(a.val())){alert("Please provide a 5-digit zip code");a.focus();return false}}function makeDownloadLink(){$("#wrapper .download-select").change(function(){var b=$(this).val();var a=$(this).siblings(".download-link");if(b!="XX"){a.html('<a href="'+b+'">Download</a>')}else{a.html("")}})};