// Michael P. Scholtis (mpscho@planetx.bloomu.edu) // All rights reserved. January 15, 1996 // You may use this javascript example as you see fit, as long as the // information within this comment above is included in your script.
function MakeArray(n){ this.length=n; for(var i=1; i<=n; i++) this=i-1; return this }
function ToHex(x){ var high=x/16; // Changes a int to hex (in the range 0 to 255) var s=high+""; //1 s=s.substring(0,2); //2 the combination of these are the same as the trunc function high=parseInt(s,10); //3 var left=hex［high+1］; // left part of the hex-value var low=x-high*16; // calculate the rest of the values s=low+""; //1 s=s.substring(0,2); //2 the combination of these are the same as the trunc function low=parseInt(s,10); //3 var right=hex［low+1］; // right part of the hex-value var string=left+""+right; // add the high and low together return string; }
function rainbow(text){ text=text.substring(3,text.length-4); // gets rid of the HTML-comment-tags color_d1=255; // any value in begin 0 to 255 mul=color_d1/text.length; for(i=0;i<text.length;i++){ color_d1=255*Math.sin(i/(text.length/3)); // some other things you can try>> "=255-mul*i" to fade out, //"=mul*i" to fade in, or try "255*Math.sin(i/(text.length/3))" color_h1=ToHex(color_d1); color_d2=mul*i; color_h2=ToHex(color_d2); document.write("<FONT COLOR=#FF"+color_h1+color_h2+"> //"+text.substring(i,i+1)+</FONT>); } }
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