FR.showIframeDialog({url:"ReportServer?reportlet=SMES/NewAdd.cpt&op=write",title:"title",width:600,height:600})这样写只能居中展示,并不可以改变位置决策报表的打开对话框,如何调整位置FR.showIframeDialog({ title: 参数, width: 400, height: 550, url: FR.servletURL + "?viewlet=%25E5%2585%25A8%25E8%25A1%258C%25E5%25AE%259E%25E6%2597%25B6%25E5%25A4%25A7%25E5%25B1%258F%252F%25E5%2585%25A8%25E8%25A1%258C%25E5%25BC%25B9%25E6%25A1%25862.frm&dc=" + 参数 });