Can't change the height of dynamically loading image

programming flash
1

I want to change the height and width of images which is loading from an XML file. I tried… the images is loading and it is working fine… All the other properties except the height and width is working.

Please help how to change the height and width of an image which is loading from the XML file

_root.createEmptyMovieClip(movieclip, levels);//working
loadMovie(“images/” + filename, movieclip); //working
setProperty(movieclip, _x, posx); //working
setProperty(movieclip, _rotation, 45); //working

[COLOR=red]setProperty(movieclip, _height, 45);[/COLOR] //not working