The clock that moves with the mouse is very beautiful. Unfortunately, it only supports the IE_javascript trick.

Create a new text file, copy the following code into it, change the file name to clock.html and run it.

<SCRIPT language=JavaScript><!-- 
dCol='0000FF';//date colour. 
fCol='0000FF';//face colour. 
sCol='0000FF';//seconds colour. 
mCol='0000FF';//minutes colour. 
hCol='0000FF';//hours colour. 
ClockHeight=40; 
ClockWidth=40; 
ClockFromMouseY=0; 
ClockFromMouseX=100; 
//Alter nothing below! Alignments will be lost! 
d=new Array("SUNDAY","MONDAY","TUESDAY","WEDNESDAY","THURSDAY","FRIDAY","SATURDAY"); 
m=new Array("JANUARY","FEBRUARY","MARCH","APRIL","MAY","JUNE","JULY","AUGUST","SEPTEMBER","OCTOBER","NOVEMBER","DECEMBER"); 
date=new Date(); 
day=date.getDate(); 
year=date.getYear(); 
if (year < 2000) year=year+1900; 
TodaysDate=" "+d[date.getDay()]+" "+day+" "+m[date.getMonth()]+" "+year; 
D=TodaysDate.split(''); 
H='...'; 
H=H.split(''); 
M='....'; 
M=M.split(''); 
S='.....'; 
S=S.split(''); 
Face='1 2 3 4 5 6 7 8 9 10 11 12'; 
font='Arial'; 
size=1; 
speed=0.5; 
ns=(document.layers); 
ie=(document.all); 
Face=Face.split(' '); 
n=Face.length; 
a=size*10; 
ymouse=0; 
xmouse=0; 
scrll=0; 
props="<font face="+font+" size="+size+" color="+fCol+"><B>"; 
props2="<font face="+font+" size="+size+" color="+dCol+"><B>"; 
Split=360/n; 
Dsplit=360/D.length; 
HandHeight=ClockHeight/4.5 
HandWidth=ClockWidth/4.5 
HandY=-7; 
HandX=-2.5; 
scrll=0; 
step=0.06; 
currStep=0; 
y=new Array();x=new Array();Y=new Array();X=new Array(); 
for (i=0; i < n; i++){y[i]=0;x[i]=0;Y[i]=0;X[i]=0} 
Dy=new Array();Dx=new Array();DY=new Array();DX=new Array(); 
for (i=0; i < D.length; i++){Dy[i]=0;Dx[i]=0;DY[i]=0;DX[i]=0} 
if (ns){ 
for (i=0; i < D.length; i++) 
document.write('<layer name="nsDate'+i+'" top=0 left=0 height='+a+' width='+a+'><center>'+props2+D[i]+'</font></center></layer>'); 
for (i=0; i < n; i++) 
document.write('<layer name="nsFace'+i+'" top=0 left=0 height='+a+' width='+a+'><center>'+props+Face[i]+'</font></center></layer>'); 
for (i=0; i < S.length; i++) 
document.write('<layer name=nsSeconds'+i+' top=0 left=0 width=15 height=15><font face=Arial size=3 color='+sCol+'><center><b>'+S[i]+'</b></center></font></layer>'); 
for (i=0; i < M.length; i++) 
document.write('<layer name=nsMinutes'+i+' top=0 left=0 width=15 height=15><font face=Arial size=3 color='+mCol+'><center><b>'+M[i]+'</b></center></font></layer>'); 
for (i=0; i < H.length; i++) 
document.write('<layer name=nsHours'+i+' top=0 left=0 width=15 height=15><font face=Arial size=3 color='+hCol+'><center><b>'+H[i]+'</b></center></font></layer>'); 
} 
if (ie){ 
document.write('<div id="Od" style="position:absolute;top:0px;left:0px"><div style="position:relative">'); 
for (i=0; i < D.length; i++) 
document.write('<div id="ieDate" style="position:absolute;top:0px;left:0;height:'+a+';width:'+a+';text-align:center">'+props2+D[i]+'</B></font></div>'); 
document.write('</div></div>'); 
document.write('<div id="Of" style="position:absolute;top:0px;left:0px"><div style="position:relative">'); 
for (i=0; i < n; i++) 
document.write('<div id="ieFace" style="position:absolute;top:0px;left:0;height:'+a+';width:'+a+';text-align:center">'+props+Face[i]+'</B></font></div>'); 
document.write('</div></div>'); 
document.write('<div id="Oh" style="position:absolute;top:0px;left:0px"><div style="position:relative">'); 
for (i=0; i < H.length; i++) 
document.write('<div id="ieHours" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:'+hCol+';text-align:center;font-weight:bold">'+H[i]+'</div>'); 
document.write('</div></div>'); 
document.write('<div id="Om" style="position:absolute;top:0px;left:0px"><div style="position:relative">'); 
for (i=0; i < M.length; i++) 
document.write('<div id="ieMinutes" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:'+mCol+';text-align:center;font-weight:bold">'+M[i]+'</div>'); 
document.write('</div></div>') 
document.write('<div id="Os" style="position:absolute;top:0px;left:0px"><div style="position:relative">'); 
for (i=0; i < S.length; i++) 
document.write('<div id="ieSeconds" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:'+sCol+';text-align:center;font-weight:bold">'+S[i]+'</div>'); 
document.write('</div></div>') 
} 
(ns)&#63;window.captureEvents(Event.MOUSEMOVE):0; 
function Mouse(evnt){ 
ymouse = (ns)&#63;evnt.pageY+ClockFromMouseY-(window.pageYOffset):event.y+ClockFromMouseY; 
xmouse = (ns)&#63;evnt.pageX+ClockFromMouseX:event.x+ClockFromMouseX; 
} 
(ns)&#63;window.onMouseMove=Mouse:document.onmousemove=Mouse; 
function ClockAndAssign(){ 
time = new Date (); 
secs = time.getSeconds(); 
sec = -1.57 + Math.PI * secs/30; 
mins = time.getMinutes(); 
min = -1.57 + Math.PI * mins/30; 
hr = time.getHours(); 
hrs = -1.575 + Math.PI * hr/6+Math.PI*parseInt(time.getMinutes())/360; 
if (ie){ 
Od.style.top=window.document.body.scrollTop; 
Of.style.top=window.document.body.scrollTop; 
Oh.style.top=window.document.body.scrollTop; 
Om.style.top=window.document.body.scrollTop; 
Os.style.top=window.document.body.scrollTop; 
} 
for (i=0; i < n; i++){ 
var F=(ns)&#63;document.layers['nsFace'+i]:ieFace[i].style; 
F.top=y[i] + ClockHeight*Math.sin(-1.0471 + i*Split*Math.PI/180)+scrll; 
F.left=x[i] + ClockWidth*Math.cos(-1.0471 + i*Split*Math.PI/180); 
} 
for (i=0; i < H.length; i++){ 
var HL=(ns)&#63;document.layers['nsHours'+i]:ieHours[i].style; 
HL.top=y[i]+HandY+(i*HandHeight)*Math.sin(hrs)+scrll; 
HL.left=x[i]+HandX+(i*HandWidth)*Math.cos(hrs); 
} 
for (i=0; i < M.length; i++){ 
var ML=(ns)&#63;document.layers['nsMinutes'+i]:ieMinutes[i].style; 
ML.top=y[i]+HandY+(i*HandHeight)*Math.sin(min)+scrll; 
ML.left=x[i]+HandX+(i*HandWidth)*Math.cos(min); 
} 
for (i=0; i < S.length; i++){ 
var SL=(ns)&#63;document.layers['nsSeconds'+i]:ieSeconds[i].style; 
SL.top=y[i]+HandY+(i*HandHeight)*Math.sin(sec)+scrll; 
SL.left=x[i]+HandX+(i*HandWidth)*Math.cos(sec); 
} 
for (i=0; i < D.length; i++){ 
var DL=(ns)&#63;document.layers['nsDate'+i]:ieDate[i].style; 
DL.top=Dy[i] + ClockHeight*1.5*Math.sin(currStep+i*Dsplit*Math.PI/180)+scrll; 
DL.left=Dx[i] + ClockWidth*1.5*Math.cos(currStep+i*Dsplit*Math.PI/180); 
} 
currStep-=step; 
} 
function Delay(){ 
scrll=(ns)&#63;window.pageYOffset:0; 
Dy[0]=Math.round(DY[0]+=((ymouse)-DY[0])*speed); 
Dx[0]=Math.round(DX[0]+=((xmouse)-DX[0])*speed); 
for (i=1; i < D.length; i++){ 
Dy[i]=Math.round(DY[i]+=(Dy[i-1]-DY[i])*speed); 
Dx[i]=Math.round(DX[i]+=(Dx[i-1]-DX[i])*speed); 
} 
y[0]=Math.round(Y[0]+=((ymouse)-Y[0])*speed); 
x[0]=Math.round(X[0]+=((xmouse)-X[0])*speed); 
for (i=1; i < n; i++){ 
y[i]=Math.round(Y[i]+=(y[i-1]-Y[i])*speed); 
x[i]=Math.round(X[i]+=(x[i-1]-X[i])*speed); 
} 
ClockAndAssign(); 
setTimeout('Delay()',40); 
} 
if (ns||ie)window.onload=Delay; 
// --></SCRIPT>