$(function() {
 
	// ***
	// Scrolling background
	// ***
 
	// height of background image in pixels
	var backgroundheight = 4000;
 
	// get the current minute/hour of the day
	var now = new Date();
	var hour = now.getHours();
	var minute = now.getMinutes();
 
	// work out how far through the day we are as a percentage - e.g. 6pm = 75%
	var hourpercent = hour / 24 * 100;
	var minutepercent = minute / 60 / 24 * 100;
	var percentofday = Math.round(hourpercent + minutepercent);
 
	// calculate which pixel row to start graphic from based
	// on how far through the day we are
	var offset = backgroundheight / 100 * percentofday;
 
	// graphic starts at approx 6am, so adjust offset by 1/4
	var offset = offset - (backgroundheight / 4);
 
	function scrollbackground() {
		// decrease the offset by 1, or if its less than 1 increase it by
		// the background height minus 1
   		offset = (offset < 2) ? offset + (backgroundheight + 2) : offset + 2;
		// apply the background position
   		$('body').css("background-position", "50% " + offset + "px");
   		// call self to continue animation
   		setTimeout(function() {
			scrollbackground();
			}, 100
		);
   	}
 
	// Start the animation
	scrollbackground();
});