/******************************************************************
*Script name: Link fader (http://design64.net/js/linkfader.html)
*Version: 1.0
*Date: 12.05.02
*Usage: Freeware - You may modify this script as you wish,
*as long as you don't remove this header comment.
*
*Script by: Fayez Zaheer (viol8r on #webdesign [irc.zanet.org.za])
*Email: fayez@design64.net
*Web site: http://design64.net
* Original idea: http://anarchos.xs.mw/fade.phtml
*       Script featured on JavaScript Kit (http://www.javascriptkit.com)
******************************************************************/
var fadeTo="00FF00";
var fiBy=6;
var foBy=10;
var speed=10;
var ignoreClass="ignore";
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()
{
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 ignoreIt=document.links[i].className==ignoreClass;
if (!ignoreIt) document.links[i].id="link"+i;
if (!currentOver && !currentOut && !ignoreIt)
{
document.links[i].onmouseover=findLink;
document.links[i].onmouseout=clearFade;
}
}
}
if (opera || ie || dom) window.onload=init;