rem: toolkitCore.ShowWindow("resource:/res/samples/history.xul",window); 
add: toolkitCore.ShowWindow("chrome: 
context: function toHistory(){	var toolkitCore = XPAppCoresManager.Find("toolkitCore");    if (!toolkitCore) {      toolkitCore = new ToolkitCore();      if (toolkitCore) {        toolkitCore.Init("toolkitCore");      }    }    if (toolkitCore) {      toolkitCore.ShowWindow("resource:/res/samples/history.xul",window);    }}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/8b3db6ebd9d4f2369b5ae15c1e750c5148d18b5b/tasksOverlay.js/clean/xpfe/global/resources/content/tasksOverlay.js