added test case trying to get the document property working on JS - not quite there yet :(

js/js.libraries/src/core/dom.kt

@@ -0,0 +1,27 @@
+package org.w3c.dom
+
+/**
+ * A stub class definition so we can work with the DOM APIs as native objects
+ */
+native interface Document : Node {
+}
+
+native interface Attr : Node {}
+native interface CDATASection : Text {}
+native interface CharacterData : Node {}
+native interface Comment : CharacterData {}
+native interface DOMImplementation {}
+native interface DocumentType : Node {}
+native interface Element : Node {}
+native interface Entity : Node {}
+native interface EntityReference : Node {}
+native interface NameList {}
+native interface NamedNodeMap {}
+native interface Node {}
+native interface NodeList {}
+native interface Notation : Node {}
+native interface ProcessingInstruction : Node {}
+native interface Text : CharacterData {}
+native interface TypeInfo {}
+native interface UserDataHandler {}
+

js/js.libraries/src/stdlib/browser.kt

@@ -0,0 +1,11 @@
+package kotlin.browser
+
+import org.w3c.dom.Document
+import js.native
+import js.library
+
+/**
+ * Provides access to the current active browsers DOM for the currently visible page.
+ */
+native("document") var document: Document
+