function swop(section) {
                if (section == 'register') {
                    document.getElementById("login").className = 'hidden';
                    document.getElementById("register").className = 'unhidden';
                } else if (section == 'login') {
                    document.getElementById("login").className = 'unhidden';
                    document.getElementById("register").className = 'hidden';
                }

            }

            function refresh() {
                    window.location = 'index.php';
                }

            function sweep(field) {

                if (field == 'login_pw' || field == 'reg_pw' || field == 'reg_pw2') {
                    document.getElementById(field).type = 'password';
                }
                document.getElementById(field).value = '';

            }

      function login() {
               
          $("#login_response").removeClass = 'hidden';
          $("#login_response").html("<blink>logging in...please wait</blink>");
          
          var email = $("#login_eml").val();
          var password = $("#login_pw").val();

         if (email == '' || password == '' || email == 'email' || password == 'password') {
            $("#login_response").html('Please complete all fields.');
        } else {
            $("#login_response").load('login.php',{
              email:email,
              password:password,
              clearCache:new Date().getTime()
            });
    
        }
      }