【Unity】Webページ側からWebGLの関数を呼び出す ref: http://qiita.com/kingpanda/items/d678ae888d66b3103931

file1.html

<center>
      <button>スーパー玉出</botton>
</center>

file2.js

var s = document.querySelector("button");

s.addEventListener("click", function() {
    SendMessage("sample", "tamaide");
});

test

var tama : Transform;

function tamaide () {
        Instantiate(tama,transform.position,transform.rotation);
}