var process = "/OA/knowledge/process/knowledgePortlet/knowledgePortletProcess";
var activity = "textAndPicPortletActivity";
var url = "$UI/OA/knowledge/process/viewKnowledge/viewKnowledge.a" + "?process=" + process + "&activity=" + activity + "&kwid=" + kwid;
justep.Portal.openWindow(url, {
title : "详细"
});