make selectPlan available in compressed files

hub/services/templates/services/offering_detail.html

@@ -28,6 +28,25 @@ document.addEventListener('DOMContentLoaded', () => {
         window.priceCalculator = new PriceCalculator();
     }
 });
+
+// Global function for traditional plan selection (used by template buttons)
+function selectPlan(element) {
+    const planId = element.getAttribute('data-plan-id');
+    const planName = element.getAttribute('data-plan-name');
+
+    // Find the plan dropdown in the contact form
+    const planDropdown = document.getElementById('id_choice');
+    if (planDropdown) {
+        // Find the option with matching plan id and select it
+        for (let i = 0; i < planDropdown.options.length; i++) {
+            const optionValue = planDropdown.options[i].value;
+            if (optionValue.startsWith(planId + '|')) {
+                planDropdown.selectedIndex = i;
+                break;
+            }
+        }
+    }
+}
 </script>
 {% endcompress %}
 {% endif %}