// This script will no longer overwrite your current onmouseover and
// onmouseout attributes - it will instead skip those links. If you would
// still like to fade them, add findLink(this.id) to your onmouseover
// and clearFade() to your onmouseout, like so -
// <a href="#" onmouseover="findLink(this.id); yourFunction()"
// onmouseout="clearFade(); yourSecondFunction()">
// Make sure to put it BEFORE any "return" statements otherwise
// the fade will not execute.

var fadeTo = "C92222";

// Fade in colour increment/decrement by
var fiBy = 2;

// Fade out colour increment/decrement by
var foBy = 2;

// Speed - milliseconds between each colour change in the fade
// Less than 10ms doesn't really make all that much difference, so
// 10 is the minimum effective value.
var speed = 10;

// Class name of links to NOT fade (i.e. ignore)
// var ignoreClass = "somebogusvalue" if you don't want to
// use this feature. Alternatively, add onmouseover="clearFade()"
// to the link you do not wish to fade.
var ignoreClass = "bodyLink";
var fadeClass = "idFade";

// No more changes required (unless you know what you are doing)
// Enjoy... and email me and let me know what site(s) you are using it on :)
var opera, ie, dom, x = 0, oc, fader, ocs = new Array();

if (navigator.userAgent.indexOf("Opera") != -1) opera = true
else if (document.all && !opera) ie = true
else if (!document.all && document.getElementById) dom = true;

function convertRGB(z) {
	var newfcS = "", splitter = "";
	
	splitter = z.split(",");
	splitter[0] = parseInt(splitter[0].substring(4, splitter[0].length));
	splitter[1] = parseInt(splitter[1]);
	splitter[2] = parseInt(splitter[2].substring(0, splitter[2].length-1));
	
	for (var q = 0; q < 3; q++) {
			splitter[q] = splitter[q].toString(16);
			if (splitter[q].length == 1) splitter[q] = "0" + splitter[q];
			newfcS += splitter[q];
	}
	return newfcS;
}

function currentColour(index) {
	var temp, cc;
	
	if (opera) { cc = document.links[index].style.color; }
	else if (ie) { cc = document.links[index].currentStyle.color; }
	else if (dom) { cc = document.defaultView.getComputedStyle(document.links[index], '').getPropertyValue("color"); }
	
	if (cc.length == 4 && cc.substring(0, 1) == "#") {
		temp = "";
		for (var a = 0; a < 3; a++)
			temp += cc.substring(a+1, a+2) + cc.substring(a+1, a+2);
		cc = temp;
	}
	else if (cc.indexOf("rgb") != -1) { cc = convertRGB(cc); }
	else if (cc.length == 7) { cc = cc.substring(1, 7); }
	else { cc = fadeTo; }
	return cc;
}


function convert2Dec(hex) {	
	var rgb = new Array();
	
	for (var u = 0; u < 3; u++) {
		rgb[u] = parseInt(hex.substring(u*2, u*2+2), 16);
	}
	return rgb;
}

function newRGB(f, n, d) {
	var change;
	
	if (d == 1) { change = fiBy; }
	else { change = foBy; }
	
	for (var g = 0; g < 3; g++) {
		if (n[g] > f[g] && n[g] - change >= 0) n[g] -= change;
		if (n[g] < f[g] && n[g] + change <= 255) n[g] += change;
	}
	return n;
}

function fade(index, d) {
	var fc, nc, temp = new Array(), finished = false;
	nc = convert2Dec(currentColour(index));
	
	if (d == 1) { fc = convert2Dec(fadeTo); }
	else { fc = convert2Dec(ocs[x]); }
	
	temp = convert2Dec(currentColour(index));
	nc = newRGB(fc, nc, d);
	
	if ((nc[0] == temp[0]) && (nc[1] == temp[1]) && (nc[2] == temp[2])) { finished = true; }
	if (!finished) { document.links[x].style.color = "rgb(" + nc[0] + "," + nc[1] + "," + nc[2] + ")"; }
	else { clearInterval(fader); }
}

function findLink(over) {
	if (document.layers) { return; }
	if (fader) {
		clearInterval(fader);
		document.links[x].style.color = "#" + ocs[x];
	}
	if (over && !this.id) { this.id = over; }
	
	x = 0;
	
	while (!(this.id == document.links[x].id) && (x < document.links.length)) {
		x++;
	}
	if (this.id == document.links[x].id) {
		oc = currentColour(x);
		fader = setInterval("fade(" + x  + ", 1)", speed);
	}
}

function clearFade() {
	if (document.layers) { return; }
	if (fader) { clearInterval(fader); }
	fader = setInterval("fade(" + x + ", 0)", speed);
}

function init() {
	if (ie || dom) {
		for (var i = 0; i < document.links.length; i++) {
			ocs[i] = currentColour(i);
			var currentOver = document.links[i].onmouseover;
			var currentOut = document.links[i].onmouseout;
			var fadeIt = document.links[i].className == fadeClass;
			
			if (fadeIt) { document.links[i].id = "link" + i; }
			if (!currentOver && !currentOut && fadeIt) {
				document.links[i].onmouseover = findLink;
				document.links[i].onmouseout = clearFade;
			}
		}		
	}
}