Ez a PASCAL kód mit csinál?

function combo(x)

{

var second = [];

var third = [];

var first = (Math.ceil($('input#rl').val()) + 5) % 40;

var mod = first % 4;

for (var i = 0; i < 4; i++)

{

if (((10 * i) + l1) % 4 == mod)

third.push((10 * i) + l1);

if (((10 * i) + l2) % 4 == mod)

third.push((10 * i) + l2);

}

for (var i = 0; i < 10; i++)

{

var tmp = ((mod + 2) % 4) + (4 * i);

if (!x || ( (third[x-1]+2)%40 != tmp && (third[x-1]-2)%40 != tmp))

second.push(tmp);

}

}