defeating tanks?

What is the best way to disable a tank in case we get attacked by another country?

I seen video's of protesters disabling tanks with plain ole Molotov Cocktails.

I was thinking mines attached...

Source: http://ninjashoes.net/forum/showthread.php?83169-defeating-tanks&goto=newpost

Matt Hamill Volk Han Joachim Hansen Antoni Hardonk Dan Hardy