<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;}
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AJÁNLOM AZ OLDALT
