//$(function(){
function scrollHomeBG() {

	// ***
	// Scrolling background
	// http://www.corrupt-system.de/jquery/backgroundPosition/
	// http://youlove.us/blog/the-youloveus-scrolling-background-effect-explained
	// ***
		
	// height of background image in pixels
	//var backgroundheight = 4000;
	var backgroundwidth = 3227;
	
	// 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 = hourpercent + minutepercent;
	
	// calculate which pixel row to start graphic from based on how far through the day we are
 	//var startoffset = backgroundheight / 100 * percentofday;
 	//var startoffset = backgroundwidth / 100 * percentofday;
 	var startoffset = 0;

	// graphic starts at approx 6am, so adjust offset by 1/4
	// scratch that, IE doesnt like negaive starts.. TODO: find a better way.
	// var startoffset = 0;
	
	// end 1x background height after the start offset so we get a smooth loop
	//var endoffset = startoffset + backgroundheight;
	var endoffset = startoffset + backgroundwidth;
	
   	function scrollbackground() {
		// set the background start position
		//$('body').css({
		$('#homebg').css({
			//backgroundPosition: '50% -' + startoffset + 'px'
			//backgroundPosition: '-' + startoffset + 'px 0px'
			backgroundPosition: '0px 0px'
		});
		// animate through to the end
		//$('body').animate({
		$('#homebg').animate({
			//backgroundPosition:'(50% -' + endoffset + 'px)'
			//backgroundPosition:'(-' + endoffset + 'px 0px)'
			backgroundPosition:'(-' + backgroundwidth + 'px 0px)'
			},
			100000,
			"linear",
			function () {
				// callback to self to loop animation
				scrollbackground();
			}
		);
	}
   
	// start the animation
	scrollbackground();
//});
}


function getWindowHeight() {
	var windowHeight;
	windowHeight = $(document).height();
	//windowHeight = $(window).height();
	//alert("windowHeight:"+windowHeight);
	document.write(windowHeight);
}
function getWindowWidth() {
	var windowWidth;
	windowWidth = $(document).width();
	//windowHeight = $(window).width();
	//alert("windowWidth:"+windowWidth);
	document.write(windowWidth);
}