$(document).ready(function(){	$('ul#nav').ptMenu();});function getQueryVariable(variable) {  var query = window.location.search.substring(1);  var vars = query.split("&");  for (var i=0;i<vars.length;i++) {    var pair = vars[i].split("=");    if (pair[0] == variable) {      return pair[1];    }  } }function setZip(formname) {  alert('aaa');  alert(formname);  alert('ccc');  if (getQueryVariable("zip")==undefined) {    alert("undefined");  } else {    alert("defined");  }}