diff --git a/archivist/apps/templates/importer/source_urls.html b/archivist/apps/templates/importer/source_urls.html
index fc8bf80..733507c 100644
--- a/archivist/apps/templates/importer/source_urls.html
+++ b/archivist/apps/templates/importer/source_urls.html
@@ -123,6 +123,61 @@
         }
     }
 
+    function sortTable(tableId, n) {
+        var table, rows, switching, i, x, y, shouldSwitch, dir, switchcount = 0;
+        table = document.getElementById(tableId);
+        switching = true;
+        // Set the sorting direction to ascending:
+        dir = "asc";
+        /* Make a loop that will continue until
+        no switching has been done: */
+        while (switching) {
+            // Start by saying: no switching is done:
+            switching = false;
+            rows = table.rows;
+            /* Loop through all table rows (except the
+            first, which contains table headers): */
+            for (i = 1; i < (rows.length - 1); i++) {
+                // Start by saying there should be no switching:
+                shouldSwitch = false;
+                /* Get the two elements you want to compare,
+                one from current row and one from the next: */
+                x = rows[i].getElementsByTagName("TD")[n];
+                y = rows[i + 1].getElementsByTagName("TD")[n];
+                /* Check if the two rows should switch place,
+                based on the direction, asc or desc: */
+                if (dir == "asc") {
+                    if (x.innerHTML.toLowerCase() > y.innerHTML.toLowerCase()) {
+                        // If so, mark as a switch and break the loop:
+                        shouldSwitch = true;
+                        break;
+                    }
+                } else if (dir == "desc") {
+                    if (x.innerHTML.toLowerCase() < y.innerHTML.toLowerCase()) {
+                        // If so, mark as a switch and break the loop:
+                        shouldSwitch = true;
+                        break;
+                    }
+                }
+            }
+            if (shouldSwitch) {
+                /* If a switch has been marked, make the switch
+                and mark that a switch has been done: */
+                rows[i].parentNode.insertBefore(rows[i + 1], rows[i]);
+                switching = true;
+                // Each time a switch is done, increase this count by 1:
+                switchcount ++;
+            } else {
+                /* If no switching has been done AND the direction is "asc",
+                set the direction to "desc" and run the while loop again. */
+                if (switchcount == 0 && dir == "asc") {
+                    dir = "desc";
+                    switching = true;
+                }
+            }
+        }
+    }
+
     window.onload = function() {
         document.querySelectorAll('th').forEach((element) => { // Table headers
             element.addEventListener('click', function() {