var jetzt = new Date();
var Std = jetzt.getHours();
var x = new Array();
x[1] = new Image(); x[1].src = "icon/balu_morgens4.jpg";
x[2] = new Image(); x[2].src = "icon/balu_mittags_4.jpg";
x[3] = new Image(); x[3].src = "icon/balu_abends_2.jpg";
x[4] = new Image(); x[4].src = "icon/balu_nacht_3.jpg";

if (Std >= 0 && Std < 7) {
	document.images['tauschen'].src = x[4].src;
} else if (Std >= 7 && Std < 12) {
	document.images['tauschen'].src = x[1].src;
} else if (Std >= 12 && Std <= 15) {
	document.images['tauschen'].src = x[2].src;
} else if (Std >= 15 && Std < 22) {
	document.images['tauschen'].src = x[3].src;
} else if (Std >= 22 && Std < 24) {
	document.images['tauschen'].src = x[4].src;
}