Code chữ nhấp nháy nhiều kiểu bằng java script

Bạn dán toàn bộ đoạn code bên dưới vào thẻ html, nơi muốn hiển thị văn bản và thay đổi dòng chữ "CHÀO MỪNG CÁC BẠN ĐẾN VỚI MR. PHAN NHAN. CHÚC CÁC BẠN VUI VẺ" là được nhé. Chúc các bạn thành công.

<script type="text/javascript">

farbbibliothek = new Array();

farbbibliothek[0] = new Array("#FF0000","#FF1100","#FF2200","#FF3300","#FF4400","#FF5500","#FF6600","#FF7700","#FF8800","#FF9900","#FFaa00","#FFbb00","#FFcc00","#FFdd00","#FFee00","#FFff00","#FFee00","#FFdd00","#FFcc00","#FFbb00","#FFaa00","#FF9900","#FF8800","#FF7700","#FF6600","#FF5500","#FF4400","#FF3300","#FF2200","#FF1100");

farbbibliothek[1] = new Array("#00FF00","#000000","#00FF00","#00FF00");

farbbibliothek[2] = new Array("#00FF00","#FF0000","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00","#00FF00");

farbbibliothek[3] = new Array("#FF0000","#FF4000","#FF8000","#FFC000","#FFFF00","#C0FF00","#80FF00","#40FF00","#00FF00","#00FF40","#00FF80","#00FFC0","#00FFFF","#00C0FF","#0080FF","#0040FF","#0000FF","#4000FF","#8000FF","#C000FF","#FF00FF","#FF00C0","#FF0080","#FF0040");

farbbibliothek[4] = new Array("#FF0000","#EE0000","#DD0000","#CC0000","#BB0000","#AA0000","#990000","#880000","#770000","#660000","#550000","#440000","#330000","#220000","#110000","#000000","#110000","#220000","#330000","#440000","#550000","#660000","#770000","#880000","#990000","#AA0000","#BB0000","#CC0000","#DD0000","#EE0000");

farbbibliothek[5] = new Array("#000000","#000000","#000000","#FFFFFF","#FFFFFF","#FFFFFF");

farbbibliothek[6] = new Array("#0000FF","#FFFF00");

farben = farbbibliothek[4];

function farbschrift(){for(var b=0;b<Buchstabe.length;b++){document.all["a"+b].style.color=farben[b]}farbverlauf()}function string2array(b){Buchstabe=new Array();while(farben.length<b.length){farben=farben.concat(farben)}k=0;while(k<=b.length){Buchstabe[k]=b.charAt(k);k++}}function divserzeugen(){for(var b=0;b<Buchstabe.length;b++){document.write("<span id='a"+b+"' class='a"+b+"'>"+Buchstabe[b]+"</span>")}farbschrift()}var a=1;function farbverlauf(){for(var b=0;b<farben.length;b++){farben[b-1]=farben[b]}farben[farben.length-1]=farben[-1];setTimeout("farbschrift()",30)}var farbsatz=1;function farbtauscher(){farben=farbbibliothek[farbsatz];while(farben.length<text.length){farben=farben.concat(farben)}farbsatz=Math.floor(Math.random()*(farbbibliothek.length-0.0001))}setInterval("farbtauscher()",5000);

text= "CHÀO MỪNG CÁC BẠN ĐẾN VỚI MR. PHAN NHAN. CHÚC CÁC BẠN VUI VẺ"; //h

string2array(text);

divserzeugen();

//document.write(text);

</script>