Set per il compleanno dello Zio

<script>var rate = 20;  // Increase amount(The degree of the transmutation)
var obj;        // The object which event occured in
var act = 0;    // Flag during the action
var elmH = 0;   // Hue
var elmS = 128; // Saturation
var elmV = 255; // Value
var clrOrg;     // A color before the change
var TimerID;    // Timer ID

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;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);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>