Regenbogen BBCODE

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BBCODE:

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[rainbow]{TEXT}[/rainbow]

HTML Ersatz:

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<script type="text/javascript">
function MakeArray(n){
  this.length=n;
  for(var i=1; i<=n; i++) this[i]=i-1;
  return this
}

hex=new MakeArray(16);
hex[11]="A"; hex[12]="B"; hex[13]="C"; hex[14]="D";
hex[15]="E"; hex[16]="F";

function ToHex(x){
  var high=x/16;
  var s=high+"";
  s=s.substring(0,2);
  high=parseInt(s,10);
  var left=hex[high+1];
  var low=x-high*16;
  s=low+"";
  s=s.substring(0,2);
  low=parseInt(s,10);
  var right=hex[low+1];
  var string=left+""+right;
  return string;
}

function fadeout(text){
  text=text.substring(3,text.length-4);
  color_d1=255;
  mul=color_d1/text.length;
  var j=1;
for(i=0;i<text.length;i++){
   color_d1=255*Math.sin(i/(text.length/3));
   color_h1=ToHex(color_d1);
   color_d2=mul*i;
   color_h2=ToHex(color_d2);
   color_d3=mul*(text.length-i);
   color_h3=ToHex(color_d3);

      j = i;

  if (text.substring(i,i+1) == '&')
  {
        for (j = i+1; j < text.length; j++)
        {
               if (text.substring(j,j+1) == ';') { break; }
        }
        if (j == text.length) { j = i; }
  }

  if (text.substring(i,i+1) == '<')
  {
        for (j = i+1; j < text.length; j++)
        {
               if (text.substring(j,j+1) == '>') { break; }
        }
        if (j == text.length) { j = i; }
  }

   document.write("<FONT COLOR='#"+color_h3+color_h1+color_h2+"'>"+
                  text.substring(i,j+1)+'</FONT>');
         i = j;
}
}
</script>

<script language="JavaScript"><!--
      {fadeout("-->{TEXT}<!__");}
    //--></script>

Tipp Anzeige:

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Rainbow: [rainbow]Text here[/rainbow]

Demo:

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[rainbow]Die ist ein Regenbogen Text[/rainbow]

Funktionieret allerdings nur mit aktiviertem JavaScript.