problem with color pallete

Anon

How I can change color pallete in picture ?

Picture is made from jpg and gif with gd function imagecopy.

ziong

i use javascript to change the image source.

e.g.
<script language=javascript>
function changecolor(color)(
document.images["palette"].src = "./viewcolor.php?color=\"+color;
}
</script>
<body>
...
<img name=palette src="./viewcolor.php?color=000000" border=0>
...
</body>