function createHexArray(n)
{
   this.length=n;
   for (var i=1; i<=n; i++)
      this[i]=i-1;

   this[11]="A";
   this[12]="B";
   this[13]="C";
   this[14]="D";
   this[15]="E";
   this[16]="F";

   return this;
}


hx = new createHexArray(16);


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

function makeRainbow(text)
{
	color_d1=255;
	mul=color_d1/text.length;
	for(i=0;i < text.length;i++)
	{
		color_d1=255*Math.sin(i/(text.length/3));
		color_h1=convertToHex(color_d1);
		color_d2=mul*i;
		color_h2=convertToHex(color_d2);
		document.write("<FONT COLOR=\"#"+color_h1+"AA"+color_h2+"\">"+text.substring(i,i+1)+"</FONT>");
	}
}