Problem with map file serving WMS - tiff

[Steven De Vriendt]

Below is my map-file for serving a tiff file using mapserver WMS-capabilities.
Yet, I'm unsuccesfull finding out why it doesn't work.
Can someone have a look at it and correct it where I've gone wrong ?
Thanks !

MAP
  NAME TIFF_TEST
  STATUS ON
  SIZE 500 500
  SYMBOLSET ../etc/symbols.sym
  EXTENT 77336.359625 189988.500250 90937.297125 201812.968625
  UNITS METERS
  IMAGECOLOR 255 255 255
  FONTSET ../etc/fonts.txt
  TRANSPARENT FALSE

  WEB
    IMAGEPATH "/ms4w/apps/chameleon/samples/data/topo"
    IMAGEURL "/ms_tmp/"
    METADATA
      "wms_abstract" "Demo for Geotiff"
      "wms_title" "WMS Demo Server"
      "wms_onlineresource"
"http://0.0.0.0:8888/cgi-bin/mapserv.exe?map=/ms4w/apps/chameleon/samples/map/wmsserver_tiff.map&"
	"wms_srs" "EPSG:31300"

    END
  END

OUTPUTFORMAT
    NAME GEOTIFF
    DRIVER "GDAL/GTiff"
    MIMETYPE "image/tiff"
    IMAGEMODE "PC256"
    EXTENSION "tif"
END


PROJECTION
    "init=epsg:31300"
END

 LAYER
    NAME "hillshade_rough"

    	 TILEINDEX "/ms4w/apps/chameleon/samples/data/topo/shpindex.shp"
         TILEITEM "location"
    	TYPE RASTER
    	STATUS ON
    	# display layer only in map scales of 100000 and smaller, means
scale values > 100000
    	MINSCALE 100000
	
    	METADATA
      		"WMS_TITLE" "topokaarten"
      		"WMS_ABSTRACT" "agiv vlaanderen"
      		"WMS_SRS" "EPSG:31300"
    	END
    	PROJECTION
    		"init=epsg:31300"
    	END

END