diff --git a/src/ecmascript/ecmascript-c.c b/src/ecmascript/ecmascript-c.c
index 965027c9c..e42e83273 100644
--- a/src/ecmascript/ecmascript-c.c
+++ b/src/ecmascript/ecmascript-c.c
@@ -8,6 +8,7 @@
 
 #include "dialogs/status.h"
 #include "document/document.h"
+#include "document/libdom/doc.h"
 #include "document/libdom/mapa.h"
 #include "document/view.h"
 #include "ecmascript/ecmascript.h"
@@ -481,3 +482,59 @@ void ecmascript_moved_form_state(struct form_state *fs)
 	spidermonkey_moved_form_state(fs);
 #endif
 }
+
+void *
+walk_tree_query(dom_node *node, char *selector, int depth)
+{
+	dom_exception exc;
+	dom_node *child;
+	void *res = NULL;
+	dom_node_type typ;
+
+	/* Only interested in element nodes */
+	exc = dom_node_get_node_type(node, &typ);
+	if (typ != DOM_ELEMENT_NODE) {
+		return NULL;
+	}
+
+	if (res = el_match_selector(selector, node)) {
+		/* There was an error; return */
+		return res;
+	}
+	/* Get the node's first child */
+	exc = dom_node_get_first_child(node, &child);
+
+	if (exc != DOM_NO_ERR) {
+		fprintf(stderr, "Exception raised for node_get_first_child\n");
+		return NULL;
+	} else if (child != NULL) {
+		/* node has children;  decend to children's depth */
+		depth++;
+
+		/* Loop though all node's children */
+		do {
+			dom_node *next_child;
+
+			/* Visit node's descendents */
+			res = walk_tree_query(child, selector, depth);
+			/* There was an error; return */
+			if (res) {
+				dom_node_unref(child);
+				return res;
+			}
+
+			/* Go to next sibling */
+			exc = dom_node_get_next_sibling(child, &next_child);
+			if (exc != DOM_NO_ERR) {
+				fprintf(stderr, "Exception raised for "
+						"node_get_next_sibling\n");
+				dom_node_unref(child);
+				return NULL;
+			}
+
+			dom_node_unref(child);
+			child = next_child;
+		} while (child != NULL); /* No more children */
+	}
+	return NULL;
+}
diff --git a/src/ecmascript/ecmascript-c.h b/src/ecmascript/ecmascript-c.h
index 1207c4fd9..939032bae 100644
--- a/src/ecmascript/ecmascript-c.h
+++ b/src/ecmascript/ecmascript-c.h
@@ -40,6 +40,8 @@ void ecmascript_detach_form_view(struct form_view *fv);
 void ecmascript_detach_form_state(struct form_state *fs);
 void ecmascript_moved_form_state(struct form_state *fs);
 
+void *walk_tree_query(dom_node *node, char *selector, int depth);
+
 extern struct module ecmascript_module;
 
 #ifdef __cplusplus
diff --git a/src/ecmascript/spidermonkey/document.cpp b/src/ecmascript/spidermonkey/document.cpp
index 5c379727d..9f5b9088c 100644
--- a/src/ecmascript/spidermonkey/document.cpp
+++ b/src/ecmascript/spidermonkey/document.cpp
@@ -28,6 +28,7 @@
 #include "document/view.h"
 #include "ecmascript/css2xpath.h"
 #include "ecmascript/ecmascript.h"
+#include "ecmascript/ecmascript-c.h"
 #include "ecmascript/libdom/parse.h"
 #include "ecmascript/spidermonkey/collection.h"
 #include "ecmascript/spidermonkey/form.h"
@@ -1819,62 +1820,6 @@ document_getElementsByTagName(JSContext *ctx, unsigned int argc, JS::Value *vp)
 	return true;
 }
 
-void *
-walk_tree_query(dom_node *node, char *selector, int depth)
-{
-	dom_exception exc;
-	dom_node *child;
-	void *res = NULL;
-	dom_node_type typ;
-
-	/* Only interested in element nodes */
-	exc = dom_node_get_node_type(node, &typ);
-	if (typ != DOM_ELEMENT_NODE) {
-		return NULL;
-	}
-
-	if (res = el_match_selector(selector, node)) {
-		/* There was an error; return */
-		return res;
-	}
-	/* Get the node's first child */
-	exc = dom_node_get_first_child(node, &child);
-
-	if (exc != DOM_NO_ERR) {
-		fprintf(stderr, "Exception raised for node_get_first_child\n");
-		return NULL;
-	} else if (child != NULL) {
-		/* node has children;  decend to children's depth */
-		depth++;
-
-		/* Loop though all node's children */
-		do {
-			dom_node *next_child;
-
-			/* Visit node's descendents */
-			res = walk_tree_query(child, selector, depth);
-			/* There was an error; return */
-			if (res) {
-				dom_node_unref(child);
-				return res;
-			}
-
-			/* Go to next sibling */
-			exc = dom_node_get_next_sibling(child, &next_child);
-			if (exc != DOM_NO_ERR) {
-				fprintf(stderr, "Exception raised for "
-						"node_get_next_sibling\n");
-				dom_node_unref(child);
-				return NULL;
-			}
-
-			dom_node_unref(child);
-			child = next_child;
-		} while (child != NULL); /* No more children */
-	}
-	return NULL;
-}
-
 static bool
 document_querySelector(JSContext *ctx, unsigned int argc, JS::Value *vp)
 {