﻿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 (true || Browser) {
	document.onmouseover = doRainbowAnchor;
	document.onmouseout = stopRainbowAnchor;
}
function doRainbowAnchor() {
	if (act != 1) {
		obj = GetObject();
		if (obj.tagName == 'A' && obj.href != '') {
			act = 1;
			clrOrg = obj.style.color;
			TimerID = setInterval("ChangeColor()",100);
		}
	}
}
function stopRainbowAnchor() {
	if (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;
}
function GetObject()
{
	//IE
	if(document.all)
		return window.event.srcElement;
		
	func=GetObject.caller;
	while(func!=null)
	{
		var arg0=func.arguments[0];
		if(arg0)
		{
			if(arg0.constructor==MouseEvent)
				return arg0.target;
		}
		func=func.caller;
	}
	return null;
}
