Initial experiment in adding js support to w3m.

buffer.c

@@ -49,6 +49,14 @@ newBuffer(int width)
 #endif
     n->check_url = MarkAllPages; /* use default from -o mark_all_pages */
     n->need_reshape = 1;	 /* always reshape new buffers to mark URLs */
+    
+#ifdef USE_JAVASCRIPT
+    /* Initialize JavaScript state - but don't create context yet */
+    n->js_state = NULL;
+    n->js_document = NULL;
+    n->js_events = NULL;
+#endif
+    
     return n;
 }