Added page with unique line numbers.

modules/libdata.php

@@ -95,4 +95,21 @@ function getLabelOfDir($dir){
     }
 }
 
+function getLines(){
+    global $routes;
+    $lines = array();
+    foreach ($routes as $r){
+        $found = false;
+        foreach($lines as $l){
+            if($r["line"] == $l){
+                $found=true;
+            }
+        }
+        if(!$found){
+            array_push($lines, $r["id"]);
+        }
+    }
+    return $lines;
+}
+
 ?>