Script auto-following on twitter

javascript:
var i=0;
function klik(i){
var tombol = document.getElementsByClassName('button-text follow-text');
var jumlahtombol = tombol.length;
tombol[i].click();
i++;
if(i >= jumlahtombol){

}
else{
setTimeout("klik("+i+")",1000);
}
}

klik(i);