var myScroller;
var myHolder;
var pauseScroller = 0;
var sWidth;
var scrollerSlowed = 0;
var slowIteration = 0;
var rootDir = "http://www.newriverweb.org/";
var scrollerText = 'Download The <a href=\"http://www.newriverweb.org/announcements/index.php#Calendar\">NRVCC Events Calendar</a> for 2007 ... Sign up for NRVCC\'s <a href=\"http://www.newriverweb.org/mailinglist/?p=subscribe\">Mailing List</a> ... <a href=\"http://www.newriverweb.org/announcements/weather.php\">Inclement Weather Information</a> ... ';

function startScroll() {
  myScroller = document.getElementById("aScroller");
  myHolder = document.getElementById("aHolder");
  myFadeIn = document.getElementById("annonFadeIn");
  myFadeOut = document.getElementById("annonFadeOut");

  if (isMainPage) {
    sWidth = 521;
  }
  else {
    sWidth = 592;
  }

  myHolder.innerHTML = scrollerText;

  if (pngNormal) {
    myFadeIn.style.background = "url('" + rootDir + "images/annon-fade2.png')";
    myFadeOut.style.background = "url('" + rootDir + "images/annon-fade.png')";
  }
  else if (pngAlpha) {
    myFadeIn.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + rootDir + "images/annon-fade2.png', sizingMethod='scale')";
    myFadeOut.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + rootDir + "images/annon-fade.png', sizingMethod='scale')";
  }

  addEvent(myHolder, "mouseover", pauseScroll);
  addEvent(myHolder, "mouseout", pauseScroll);
  addEvent(window, "unload", savePosition);

  myScroller.style.left = getPosition();
  setInterval("scrollAnnounce()", 25);
}

function scrollAnnounce() {
  if (!pauseScroller) {
    if (scrollerSlowed) {
      if (slowIteration == 1 || slowIteration == 2 || slowIteration == 4 || slowIteration == 6 || slowIteration == 9 || slowIteration == 12 || slowIteration == 16 || slowIteration == 20 || slowIteration == 25) {
        moveScroller();
      }
      else if (slowIteration < 1) {
        scrollerSlowed = 0;
      }

      slowIteration--;
    }
    else {
      if (parseInt(myScroller.style.left) < parseInt(myHolder.offsetWidth*(-1)) + 8) {
        myScroller.style.left = sWidth + "px";
      }
      moveScroller();
    }
  }
  else {
    if (!scrollerSlowed) {
      if (slowIteration == 1 || slowIteration == 2 || slowIteration == 4 || slowIteration == 6 || slowIteration == 9 || slowIteration == 12 || slowIteration == 16 || slowIteration == 20 || slowIteration == 25) {
        moveScroller();
      }
      else if (slowIteration > 16) {
        scrollerSlowed = 1;
      }

      slowIteration++;
    }
  }
}

function moveScroller() {
  myScroller.style.left = parseInt(myScroller.style.left)-1+"px";
}

function pauseScroll(e) {
  if (pauseScroller) {
    pauseScroller = 0;
  }
  else {
    pauseScroller = 1;
  }
}

function savePosition() {
  document.cookie = "announcementPos=" + myScroller.style.left + "; path=/";
}

function getPosition() {
  var findCookie = "announcementPos=";
  var returnValue = sWidth + "px";

  if (document.cookie.length > 0) {
    foundAt = document.cookie.indexOf(findCookie)

    if (foundAt != -1) {
      foundAt += findCookie.length;
      cookieEnd = document.cookie.indexOf(";", foundAt)

      if (cookieEnd == -1) {
        cookieEnd = document.cookie.length;
      }

      returnValue = unescape(document.cookie.substring(foundAt, cookieEnd));
    }
  }

  return returnValue;
}

isScrollerScriptLoaded = 1;