$(function()
{
	var interval = 1000;
	if( $('#chour').attr('src').indexOf('lux') > 0 )
	{
		//faster interval for lux
		interval = 50;
	}

	var _updateClock = function()
	{
			date = new Date();
			

			var s = date.getSeconds() + date.getMilliseconds() / 1000.0;
			var m = date.getMinutes() + s/60.0;
			var h = (date.getHours() % 12) + m/60;

			var ah = (360/12) * h;
			var am = 6 * m;
			var as = 6 * s;

			$('#chour').rotate(ah);
			$('#cminute').rotate(am);
			$('#csecond').rotate(as);	
	};
	
	_updateClock();

	

	setInterval(_updateClock,interval);
});