changes
before 2010 cannot remember but the source is still http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=175.0

add blue green red and actual visualization codes adapted from http://www.compadre.org/osp/items/detail.cfm?ID=10528&S=2
Blackbody Radiation: Frequency and Wavelength written by Jose Ignacio Fernández Palop
add menu list inspired by http://phet.colorado.edu/simulations/sims.php?sim=Blackbody_Spectrum by University of Colorado - Michael Dubson, Kathy Perkins & Wendy Adams