function show_sub(page)

{
document.getElementById(page).style.display="block";

}

function hide_sub(page)

{
document.getElementById(page).style.display="none";

}

function join_list()

{

 var emailValue = document.getElementById('email').value;
     if(
          emailValue == '' ||
          emailValue.length < 3 ||
          emailValue.indexOf("@") < 0 ||
          emailValue.indexOf(".") < 0
     )
     {
          alert("Please enter a valid email address.");
          document.getElementById('email').focus();
     }
     else
     {

var url = 'includes/signup-process.php?email='+document.getElementById('email').value;

pars = '';

var myAjax = new Ajax.Request( url, { method: 'get'});

document.getElementById('subscribe_box').innerHTML = 'Thank you for signing up!';
      }


}