[Mapserver-west] Question about dbox in ms4w

[Sam Young]

I am using the dbox0.9a1-demo with msw4 and I am having trouble getting my 
main image to display.

I was thinking my problem is in the code listed below.  Does anyone have any 
suggestions?
<script language="javascript">
  document.write("<img id=\"main\" src=\"../graphics/white_pixel.gif\" 
height=\"" + mapsizey + "\" width=\"" + mapsizex + "\">");
</script>

Thanks,
Sam