五彩闪烁字

 <script type="text/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>
 
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