VALIDATION W3C

Bonjour,
Voila j'essaie d'esperement de faire valider une de mes pages web en html 4.01 mais il y a des erreurs que je ne sais pas comment corriger...
Quelqu'un a une idée ??

Line 27, character 38:
... language="JavaScript" fptype="dynamicanimation" type="text/j ...
^Error: there is no attribute FPTYPE for this element (in this HTML version)

Line 57, character 33:
... <p dynamicanimation="fpAnimspiralFP1" id="fpAnimspi ...
^Error: there is no attribute DYNAMICANIMATION for this element (in this HTML version)

Line 71, character 423:
... swapImgFP1" dynamicanimation="fpAnimswapImgFP1" lowsrc="imag ...
^Error: there is no attribute DYNAMICANIMATION for this element (in this HTML version)

Line 71, character 449:
... on="fpAnimswapImgFP1" lowsrc="images/index_051.gif" width="2 ...
^Error: there is no attribute LOWSRC for this element (in this HTML version)

Merci par avance ...