Minecraft White box ?

[BIOS]

Ok so i was playing Minecraft Browser and it worked and then i installed some mods Advanced Hud, Reis minimap and mod loader and then deleted met-inf and went to play Minecraft in browser and theres just a white box ?

-Please dont say play it in downloaded minecraft.
-If you know how to fix please reply.

Thanks,

 

[Wassim]

make sure you downloaded the correct version, i.e if your on 1.3.1 make sure you downloaded reis minimap for 1.3.1
if you on 1.3.2 make sure you downloaded that one