var current = 1;
var rotate_delay = 15; // in seconds
function rotate_quotes ()
{
	index = current % quotes.length;
	index = index == 0 ? 1 : index;

	document.getElementById('quotes').innerHTML = '<strong>' + quotes[index][0] + '</strong> - "' + quotes[index][1] + '"';
	current++;

	setTimeout("rotate_quotes()", rotate_delay * 1000);
}