datetoday = new Date();
timenow=datetoday.getTime();
datetoday.setTime(timenow);
thehour = datetoday.getHours();
if (thehour > 21) display = "<img src='images/gutenacht.png'>&nbsp;<img src='images/smileyengel.gif'>";
else if (thehour > 19) display = "<img align='left' hspace='3' vspace='3' src='images/gutenabend.png'>";
else if (thehour > 16) display = "<img align='left' hspace='3' vspace='3' src='images/gutenabend.png'>";
else if (thehour > 14) display = "<img align='left' hspace='3' vspace='3' src='images/schoenennachmittag.png'>";
else if (thehour > 11) display = "<img align='left' hspace='3' vspace='3' src='images/mahlzeit_.png'>";
else if (thehour > 9) display = "<img align='left' hspace='3' vspace='3' src='images/schoenenvormittag.png'>";
else if (thehour > 5) display = "<img align='left' hspace='3' vspace='3' src='images/gutenmorgen.png'>";
else if (thehour > 2) display = "<img align='left' hspace='3' vspace='3' src='images/gutenmorgen.png'>&nbsp;<img align='left' hspace='3' vspace='3' src='images/tasse.png'>";
else if (thehour > 0) display = "<img align='left' hspace='3' vspace='3' src='images/gutenacht.png'>&nbsp;<img src='images/smileyengel.gif'>";
else display = "<img align='left' hspace='3' vspace='3' src='images/gutenacht.png'>&nbsp;<img align='left' hspace='3' vspace='3' src='images/smileyengel.gif'>";
var greeting = ("&nbsp;" + display + "&nbsp;");
document.write(greeting);