About specifying height and width values

If you specify width and height attributes for an <img> tag, space is reserved in the text field for the image file, SWF file, or movie clip. After an image or SWF file is downloaded completely, it appears in the reserved space. Flash scales the media up or down, according to the values you specify for height and width. You must enter values for both the height and width attributes to scale the image.

If you don't specify values for height and width, no space is reserved for the embedded media. After an image or SWF file has downloaded completely, Flash inserts it into the text field at full size and rebreaks text around it.

NOTE

If you are dynamically loading your images into a text field containing text, it is good practice to specify the width and height of the original image so the text properly wraps around the space you reserve for your image.

Flash CS3

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