if ((txt.indexOf("[rainbow]") > -1) && (txt.indexOf("[/rainbow]") > -1)) {
		var firstChar = txt.indexOf("[rainbow]") + 9;
		var lastChar = txt.indexOf("[/rainbow]");

		var RAINBOWTEXT = '';
		var i = firstChar;

		while (i < lastChar) {
			RAINBOWTEXT += txt.charAt(i);
			i++
		}
		var text = RAINBOWTEXT;
		var texty = '';

		colors = new Array('ff00ff','ff00cc','ff0099','ff0066','ff0033','ff0000','ff3300','ff6600','ff9900','ffcc00','ffff00','ccff00','99ff00','66ff00','33ff00','00ff00','00ff33','00ff66','00ff99','00ffcc','00ffff','00ccff','0099ff','0066ff','0033ff','0000ff','3300ff','6600ff','9900ff','cc00ff'); 
		var i = 0;

		while(i <= text.length){
			var t = text.charAt(i);

			if (t!= undefined) {
				texty += "<font color=\"#" + colors[i%colors.length] + "\">" +  t + "</font>";
				i++;
			}
		}

		texty = texty.replace("> <",">&nbsp;<");
		var REPLACEME = "[rainbow]" + RAINBOWTEXT + "[/rainbow]";
		txt = txt.replace(REPLACEME, texty);
	}