彩虹連結
<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;
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>