--- /dev/null
+function showDetails(id) {
+ document.getElementById(id).style.display = 'block';
+ document.getElementById(id + '_button').style.display = 'none';
+}
+
+function hideDetails(id) {
+ document.getElementById(id).style.display = 'none';
+ document.getElementById(id + '_button').style.display = 'block';
+}