some initial refactoring of the linkwizard

lib/scripts/toolbar.js

@@ -226,10 +226,15 @@ function addBtnActionPicker(btn, props, edid) {
  * @author Andreas Gohr <gohr@cosmocode.de>
  */
 function addBtnActionLinkwiz(btn, props, edid) {
-    jQuery(btn).linkwiz(jQuery('#' + edid));
+    linkwiz.init(jQuery('#'+edid));
+    jQuery(btn).click(function(){
+        linkwiz.toggle();
+        return false;
+    });
     return true;
 }
 
+
 /**
  * Show/Hide a previosly created picker window
  *