Cara membuat tulisan pelangi di blog

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<script type="text/javascript">
var message="Selamat datang di blogaku,amu la masuk kesini wajib komen,amu ngguk kene marah. hehehehehehehehe"
var gunturzakaw91text1color="yellow"
var gunturzakaw91text2color="red"
var gunturzakaw91text3color="green"
var flashspeed=40 // kec. ganti warna (1/1000 dt)
var flashingletters=50 // jumlah teks pertama
var flashingletters2=50 // jumlah berwarna teks ke dua
var flashpause=30 // waktu jeda pergantian warna (1/1000 dtk)
var n=0
if (document.all||document.getElementById){document.write('<font color="'+japarustext1color+'">')
for (m=0;m<message.length;m++)
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document.write('</font>')}else
document.write(message)
function crossref(number){var crossobj=document.all? eval("document.all.neonlight"+number) : document.getElementById("neonlight"+number)
return crossobj}function neon(){if (n==0){for (m=0;m<message.length;m++)
crossref(m).style.color=japarustext1color}
crossref(n).style.color=japarustext2color
if (n>flashingletters-1) crossref(n-flashingletters).style.color=japarustext3color
if (n>(flashingletters+flashingletters2)-1) crossref(n-flashingletters-flashingletters2).style.color=japarustext1color
if (n<message.length-1)
n++
else{n=0
clearInterval(flashing)
setTimeout("beginneon()",flashpause)
return}}
function beginneon(){if (document.all||document.getElementById)
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beginneon()
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