/* javscript for controlling the latest news scrolling at homepage */

var scrollOn = false;
function newsScrollUp() {
  if ($('latest_news_div_inner').offsetTop != 0) {
    $('latest_news_div_inner').style.top = $('latest_news_div_inner').offsetTop + 1;
  }
  if (scrollOn) {
    setTimeout("newsScrollUp()", 30);
  }
}
function newsScrollDown() {
  if ($('latest_news_div_inner').offsetTop >= ($('latest_news_div_outer').offsetHeight - $('latest_news_div_inner').offsetHeight)) {
    $('latest_news_div_inner').style.top = $('latest_news_div_inner').offsetTop - 1;
  }
  if (scrollOn) {
    setTimeout("newsScrollDown()", 30);
  }									
}
function scrollUpOn() {
  scrollOn = true;
  newsScrollUp();
}
function scrollDownOn() {
  scrollOn = true;
  newsScrollDown();
}
function scrollOff() {
  scrollOn = false;
}