rem: if (this.isContainer(aTarget) && aTarget.getAttribute("group") != "true") 
add: if (this.mCurrentDropPosition == this.DROP_ON && this.isContainer(aTarget)                 && aTarget.getAttribute("group") != "true") 
context:   onDragLoadTarget: function (aTarget)   {    if (!this.mCurrentDragOverTarget)      return;    // Load the current menu    if (this.isContainer(aTarget) && aTarget.getAttribute("group") != "true")      aTarget.firstChild.showPopup(aTarget, -1, -1, "menupopup");  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/8c7da050d905071c1126544567201890594b3197/navigatorDD.js/buggy/xpfe/browser/resources/content/navigatorDD.js