$(function() {
	var backgroundheight = 4000;
	var now = new Date();
	var hour = now.getHours();
	var minute = now.getMinutes();
	var hourpercent = hour / 24 * 100;
	var minutepercent = minute / 60 / 24 * 100;
	var percentofday = Math.round(hourpercent + minutepercent);
	var offset = backgroundheight / 100 * percentofday;
	var offset = offset - (backgroundheight / 4);
 
	function scrollbackground() {
   		offset = (offset < 1) ? offset + (backgroundheight - 1) : offset - 1;
   		$('body').css("background-position", "50% " + offset + "px");
   		setTimeout(function() {
			scrollbackground();
			}, 100
		);
   	}
	scrollbackground();
});

function AjoutFavo() {
	if ((navigator.appName.indexOf("Microsoft",0)>=0) && (parseInt(navigator.appVersion)>=4)) {
		window.external.AddFavorite("http://www.samsoft.fr","Samsoft - Création de sites internet" );
	} else {
		alert("Cette fonction n'est proposée que par Internet Explorer 4+")
	}
}