Changing AS code to japanese characters


I have some AS code that allows you to click on a button and will display a numerical result inside another button, currently in English. I am looking into converting this to Japasese. Does the entire AS code need to be in Japanese or just the numbers.

example code

for(var i=1; i<=8; i++)
        vStr[2] = i;
        btn = rowParent[vStr.join("_")];