function pdf(){
if(isbool){//显示标记
TANGER_OCX_OBJ.ActiveDocument.ActiveWindow.View.ShowAll = true;
TANGER_OCX_OBJ.ActiveDocument.ActiveWindow.View.ShowParagraphs = isbool;
isbool = false;
}else{//隐藏标记
TANGER_OCX_OBJ.ActiveDocument.ActiveWindow.View.ShowAll = false;
TANGER_OCX_OBJ.ActiveDocument.ActiveWindow.View.ShowParagraphs = isbool;
isbool = true;
}



}