ICS Cow Flasher

function ICSFlasher ()
{


    this.flashCow = function()
    {
        setTimeout(function()
        {
            var happinessLevel = document.getElementById('happiness');
            if (happinessLevel.style.width.replace('%','') <= 99.0566)
            {
                var cow = document.getElementsByClassName('cow')[0];
                cow.style.backgroundColor = '#000000';
                setTimeout(function()
                {
                    cow.style.backgroundColor = '';
                }, 333);
            }
            this.flashCow();
        }.bind(this), 1000);
    };
}

iCSFlasher = new ICSFlasher();
iCSFlasher.flashCow();