<script language="JavaScript1.2"> <!--Source for Rainbow.js--> var rate = 100; // Increase amount(The degree of the transmutation) //////////////////////////////////////////////////////////////////// // Main routine 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;} //============================================================================= // doRainbow // This function begins to change a color. //============================================================================= function doRainbow() {if (Browser && act != 1) {act = 1;obj = event.srcElement;clrOrg = obj.style.color;TimerID = setInterval("ChangeColor()",100);}} //============================================================================= // stopRainbow // This function stops to change a color. //============================================================================= function stopRainbow() {if (Browser && act != 0) {obj.style.color = clrOrg;clearInterval(TimerID);act = 0;}} //============================================================================= // doRainbowAnchor // This function begins to change a color. (of a anchor, automatically) //============================================================================= 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);}}} //============================================================================= // stopRainbowAnchor // This function stops to change a color. (of a anchor, automatically) //============================================================================= function stopRainbowAnchor(){if (Browser && act != 0) {if (obj.tagName == 'A') {obj.style.color = clrOrg;clearInterval(TimerID);act = 0;}}} //============================================================================= // Change Color // This function changes a color actually. //============================================================================= function ChangeColor() {obj.style.color = makeColor();} //============================================================================= // makeColor // This function makes rainbow colors. //============================================================================= function makeColor() {// Don't you think Color Gamut to look like Rainbow? // HSVtoRGB 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>