var fpbCycleCount=0;

var colorArray = new Array();
colorArray[0]="blue";
colorArray[1]="purple";
colorArray[2]="magenta";
colorArray[3]="darkred";
colorArray[4]="red";



var fpbNewsTimer;
var FPB_NEWS="fpbNews";
var FPB_NEWS_BUTTON="fpbNewsButton";
var FPB_NEWS_CYCLE=5000;//milliseconds

function enableNews() {
  cycleText();
  fpbNewsTimer=setInterval("cycleText()", FPB_NEWS_CYCLE);
}


function cycleText() {
  var marky = document.getElementById(FPB_NEWS);
  marky.innerHTML= msgArray[(fpbCycleCount++) % msgArray.length];
  marky.style.color=colorArray[fpbCycleCount % colorArray.length];
}

function disableNews() {
  clearInterval(fpbNewsTimer);
  var marky = document.getElementById(FPB_NEWS);
  marky.innerHTML= " ";
}

var announcementsOn=false;

function toggleAnnouncements() {
  var newsButton = document.getElementById(FPB_NEWS_BUTTON);
  if (!announcementsOn) {
	announcementsOn = true;
	newsButton.value="Disable Announcements";
        enableNews();
  } else {
	announcementsOn = false;
	newsButton.value="Enable Announcements";
	disableNews();
  }
}