Календарь с возможностью замены фона.

<table border="0" cellspacing="0"   background="http://zamok-snov.ucoz.ru/zamena_caita/kalendar.png" width="164" height=174 cellpadding="2" bgcolor=pink> 
<tr> 
<td width="100%" align="center" valign="middle"><script language="javascript"> 
<!--//Begin 
monthnames = new Array( 
"Январь", 
"Февраль", 
"Март", 
"Апрель", 
"Май", 
"Июнь", 
"Июль", 
"Август", 
"Сентябрь", 
"Октябрь", 
"Ноябрь", 
"Декабрь"); 
var linkcount=0; 
function addlink(month, day, href) { 
var entry = new Array(3); 
entry[0] = month; 
entry[1] = day; 
entry[2] = href; 
this[linkcount++] = entry; 
} 
Array.prototype.addlink = addlink; 
linkdays = new Array(); 
monthdays = new Array(12); 
monthdays[0]=31; 
monthdays[1]=28; 
monthdays[2]=31; 
monthdays[3]=30; 
monthdays[4]=31; 
monthdays[5]=30; 
monthdays[6]=31; 
monthdays[7]=31; 
monthdays[8]=30; 
monthdays[9]=31; 
monthdays[10]=30; 
monthdays[11]=31; 
todayDate=new Date(); 
thisday=todayDate.getDay(); 
thismonth=todayDate.getMonth(); 
thisdate=todayDate.getDate(); 
thisyear=todayDate.getYear(); 
thisyear = thisyear % 100; 
thisyear = ((thisyear < 50) ? (2000 + thisyear) : (1900 + thisyear)); 
if (((thisyear % 4 == 0)     
&& !(thisyear % 100 == 0)) 
||(thisyear % 400 == 0)) monthdays[1]++; 
startspaces=thisdate; 
while (startspaces > 7) startspaces-=7; 
startspaces = thisday - startspaces + 1; 
if (startspaces < 0) startspaces+=7; 
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document.write("<table border=0 " );<!--Border size--> 
document.write("style='font-size : 12px; color : #FFFBE4; font-weight: bold;' cellpadding=1 cellspacing=2>");<!--Border color, font size, cell padding, cellspacing and font color--> 

document.write("<tr><td align=center colspan=7><center>"     
+ monthnames[thismonth] + " " + thisyear     
+ "</center></td></tr>"); 
document.write("<tr>"); 
document.write("<td align=center><font color=#FFFFFF>В</td>");<!--The color here and below are for each week day--> 
document.write("<td align=center><font color=#FFFFFF>П</td>"); 
document.write("<td align=center><font color=#FFFFFF>В</td>") 
document.write("<td align=center><font color=#FFFFFF>С</td>"); 
document.write("<td align=center><font color=#FFFFFF>Ч</td>"); 
document.write("<td align=center><font color=#FFFFFF>П</td>"); 
document.write("<td align=center><font color=#FFFFFF>С</td>");<!--Last color chage here--> 
document.write("</tr>"); 
document.write("<tr>"); 
for (s=0;s<startspaces;s++) { 
document.write("<td align=center>-</td>"); 
} 
count=1; 
while (count <= monthdays[thismonth]) { 
for (b = startspaces;b<7;b++) { 
linktrue=false; 
document.write("<td align=center>"); 
for (c=0;c<linkdays.length;c++) { 
if (linkdays[c] != null) { 
if ((linkdays[c][0]==thismonth + 1) && (linkdays[c][1]==count)) { 
document.write("<a href=\"" + linkdays[c][2] + "\">"); 
linktrue=true; 
} 
} 
} 
if (count==thisdate) { 
document.write("<span style='background-color: #FF3399;border: 1px solid #FFFFFF'><font color='#FFFFFF'>");<!--todays date color--> 
} 
if (count <= monthdays[thismonth]) { 
document.write(count); 
} 
else { 
document.write(" "); 
} 
if (count==thisdate) { 
document.write("</font>"); 
} 
if (linktrue) 
document.write("</a>"); 
document.write("</td>"); 
count++; 
} 
document.write("</tr>"); 
document.write("<tr>"); 
startspaces=0; 
} 
document.write("</table>"); 
document.write("</FONT>"); 
</script></td></tr> 
<tr> 
<td width="100%" align="center" valign="middle"><font face="Verdana" size="1"><strong><script> 
document.write("<FONT color='#FFFFFF' face='verdana' style='font-size : 13px;'>"); 
var clockid=new Array() 
var clockidoutside=new Array() 
var i_clock=-1 
var thistime= new Date() 
var hours=thistime.getHours() 
var minutes=thistime.getMinutes() 
var seconds=thistime.getSeconds() 
if (eval(hours) <10) {hours="0"+hours} 
if (eval(minutes) < 10) {minutes="0"+minutes} 
if (seconds < 10) {seconds="0"+seconds} 
var thistime = hours+":"+minutes+":"+seconds 
         
function writeclock() { 
     i_clock++ 
     if (document.all || document.getElementById || document.layers) { 
      clockid[i_clock]="clock"+i_clock 
      document.write("<span id='"+clockid[i_clock]+"' style='position:relative'>"+thistime+"</span>") 
     } 
} 

function clockon() { 
     thistime= new Date() 
     hours=thistime.getHours() 
     minutes=thistime.getMinutes() 
     seconds=thistime.getSeconds() 
     if (eval(hours) <10) {hours="0"+hours} 
     if (eval(minutes) < 10) {minutes="0"+minutes} 
     if (seconds < 10) {seconds="0"+seconds} 
     thistime = hours+":"+minutes+":"+seconds 
          
     if (document.all) { 
      for (i=0;i<=clockid.length-1;i++) { 
       var thisclock=eval(clockid[i]) 
       thisclock.innerHTML=thistime 
      } 
     } 
         
     if (document.getElementById) { 
      for (i=0;i<=clockid.length-1;i++) { 
       document.getElementById(clockid[i]).innerHTML=thistime 
      } 
     } 
     var timer=setTimeout("clockon()",1000) 
} 
window.onload=clockon 
        </script><script>writeclock()</script></strong></font></td></tr></table>