<script>
function h(color)
{
hn = new Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A" ,"B", "C", "D", "E", "F")
if(color<0){return "00"}
else if(color>255){return "FF"}
else
{
s = "" + hn[Math.floor(color/16)] + hn[color%16]
return s
}
}
function toH(red, green, blue){return h(red) + h(green) + h(blue)}
function RGB(red, green, blue){return toH(red, green, blue)}
</script>
<script>
var sR = 13
var sG = 1
var sB = 12
var R = 0
var G = 0
var B = 0
var b = true;
function setButtonColor(r, g, b)
{
document.all["button"].style.color=RGB(r, g, b);
}
function startChanging()
{
if(b==true)
{
if((R>256)||(G>256)||(B>256))
{
b=false;
}
R+=sR;G+=sG;B+=sB;
}
else
{
if((R<0)||(G<0)||(B<0))
{
b=true;
}
R-=sR; G-=sG; B-=sB
}
setButtonColor(R, G, B);
setTimeout("startChanging()", 1)
}
</script>