Not able to draw inside the scrollpane

I am not able to draw the lines in the movieclip which I have attached to the scrollpane

I was referring to the tutorial at
Please tell me how I can do that
Here is the code

myScrollableMovie.lineStyle(3, “0x000000”,100);

moveTo(55.5, 275);
myScrollableMovie.lineTo(55.5, 5);
moveTo(55.5, 275);
myScrollableMovie.lineTo(1455, 275);