request for weight % display script

this is the goal to draw the weight % of each vertice next to itself.
http://img96.imageshack.us/img96/3066/weightper.png

Just got some more useful information.
http://www.blender.org/documentation/blender_python_api_2_56_2/bpy.types.VertexGroupElement.html#bpy.types.VertexGroupElement