var IFrameSubjectViewJson={viewBox:0,viewBoxWin:0,callback:0,loadIFrame:function(a){if(this.viewBoxWin){a();return}this.callback=a;this.viewBox=this.viewBox||new Boxy('<iframe src="'+LKConfig.URLAssembly.Subject.HTM.get("SubjectView")+'" onload="IFrameSubjectViewJson.loadComplete(this);" frameborder="0" scrolling="no" width="800px" height="400px"></iframe>',{title:"预览试题",closeText:"[关闭]",show:false,modal:true})},loadComplete:function(a){this.viewBoxWin=a.contentWindow;this.callback&&this.callback()},showViewBox:function(a,b){this.viewBoxWin.预览单题管理.setViewByJson(a,b||null,null);this.viewBox.show()}}