Переливающиеся ссылки:

Код:
<script
        language="Javascript">
var rate = 20;
var obj;
var act = 0;
var elmH = 0;
var elmS = 128;
var elmV = 255;
var clrOrg;
var TimerID;
if (navigator.appName.indexOf("Microsoft",0) != -1 && parseInt(navigator.appVersion) >= 4) {
Browser = true;
} else {
Browser = false;}
if (Browser) {
document.onmouseover = doRainbowAnchor;
document.onmouseout = stopRainbowAnchor;}
function doRainbow(){
if (Browser && act != 1) {
act = 1;
obj = event.srcElement;
clrOrg = obj.style.color;
TimerID = setInterval("ChangeColor()",100);}}
function stopRainbow(){
if (Browser && act != 0) {
obj.style.color = clrOrg;
clearInterval(TimerID);
act = 0;}}
function doRainbowAnchor(){
if (Browser && act != 1) {
obj = event.srcElement;
while (obj.tagName != 'A' && obj.tagName != 'BODY') {
obj = obj.parentElement;
if (obj.tagName == 'A' || obj.tagName == 'BODY')
break;}
if (obj.tagName == 'A' && obj.href != '') {
act = 1;//osw
clrOrg = obj.style.color;
TimerID = setInterval("ChangeColor()",100);}}}
function stopRainbowAnchor(){
if (Browser && act != 0) {
if (obj.tagName == 'A') {
obj.style.color = clrOrg;
clearInterval(TimerID);
act = 0;}}}
function ChangeColor(){
obj.style.color = makeColor();}
function makeColor(){
if (elmS == 0) {
elmR = elmV; elmG = elmV; elmB = elmV;}
else {
t1 = elmV;
t2 = (255 - elmS) * elmV / 255;
t3 = elmH % 60;
t3 = (t1 - t2) * t3 / 60;
if (elmH < 60) {
elmR = t1; elmB = t2; elmG = t2 + t3;}
else if (elmH < 120) {
elmG = t1; elmB = t2; elmR = t1 - t3;}
else if (elmH < 180) {
elmG = t1; elmR = t2; elmB = t2 + t3;}
else if (elmH < 240) {
elmB = t1; elmR = t2; elmG = t1 - t3;}
else if (elmH < 300) {
elmB = t1; elmG = t2; elmR = t2 + t3;}
else if (elmH < 360) {
elmR = t1; elmG = t2; elmB = t1 - t3;}
else {
elmR = 0; elmG = 0; elmB = 0;}}
elmR = Math.floor(elmR);//fantasyflash.ru
elmG = Math.floor(elmG);
elmB = Math.floor(elmB);
clrRGB = '#' + elmR.toString(16) + elmG.toString(16) + elmB.toString(16);
elmH = elmH + rate; if (elmH >= 360) elmH = 0;
return clrRGB;}</script>

Эффект радуги по ссылки:

Код:
<style  type="text/css">
a{color:#FF00CC; text-decoration:none; }
body {font-size:12px; font-family:verdana;}
</style><!--fantasyflash.ru-->
<link href="http://fantasyflash.ru/script/web/image/style.css" type=text/css rel=stylesheet>

Загарающиеся ссылки:

Код:
<STYLE TYPE="text/css">
A:hover {filter: glow(color=#9966CC, strength=3); color:pink; height: 10px; TEXT-DECORATION: none }
</style>