function rand() {
	now=new Date()
	num=(now.getSeconds())%10000;
	num=num+1
}

function update_clock() {

	var id = Math.random()*10000;
	var url = "http://www.radiovarna.com/clock.php?id=" + id;
	var clock_time = ajax_request(url, 0, null);
	var clock_el = document.getElementById("clock");

	if(clock_el) {
		clock_el.innerHTML = clock_time;
		//alert(clock_time);
	}

}
update_clock();
window.setInterval(update_clock, 60000);