// toggle item in the basket
//function toggle_basket(checkbox) {
//    checkbox.form.elements['id'].value = checkbox.value;
//
//	submit_action(action);
//	//var form = document.getElementById('metadata_search');
//	//
//	//form.elements['action'].disabled = false;
//	//form.elements['action'].value = 'toggle_basket';
//	//
//	//// submit the form
//	//form.submit();
//}

function toggle_basket(checkbox) {
    checkbox.form.elements['id'].value = checkbox.value;
    submit_action('toggle_basket');
}


function submit_action(action) {
  var form = document.getElementById('metadata_search');

  form.elements['action'].disabled = false;
  form.elements['action'].value = action;
  
  // submit the form
  form.submit();
}