openstock | A util for US stock market | Business library

function brackets(openStock, closeStock,s) 
{
    if (openStock == 0 && closeStock == 0) {
       var e = document.createElement('div');
       e.innerHTML = s;

       while(e.firstChild) {
          document.getElementById('demo').appendChild(e.firstChild);
       }
    }

    if (openStock > 0) {
        brackets(openStock-1, closeStock+1, s + "(");
    }
    if (closeStock > 0) {
        brackets(openStock, closeStock-1, s + ")");
    }
}