var BOX_NEWS;
var NEWS_TIME=50; //velocita di scorrimento, da 0 (per velocissimo) in su per rallentare
var NEWS_DELAY=2000;
var timer_news;
var NEWS_TOP_MARGIN=0;
var NEWS_HEIGHT;
var OBJ_NEWS;
var TIMER_START=false;

function initializeNews(newsID){BOX_NEWS = newsID;setTimeout('newsStart()',NEWS_DELAY);}
function newsMove()
{
  if (NEWS_TOP_MARGIN==-NEWS_HEIGHT){NEWS_TOP_MARGIN=OBJ_NEWS.parentNode.offsetHeight;OBJ_NEWS.style.marginTop=NEWS_TOP_MARGIN+'px';}
  else{NEWS_TOP_MARGIN--;OBJ_NEWS.style.marginTop=NEWS_TOP_MARGIN+'px';}
}
function newsPause(){clearInterval(timer_news);TIMER_START=false;}
function newsContinue(){if(!TIMER_START){timer_news=setInterval('newsMove()',NEWS_TIME);TIMER_START=true;}}
function newsStart()
{
  OBJ_NEWS = document.getElementById(BOX_NEWS);
  if(OBJ_NEWS==null)return;
  NEWS_HEIGHT=OBJ_NEWS.offsetHeight;
  newsContinue();
  if(OBJ_NEWS.addEventListener)
  {
    OBJ_NEWS.addEventListener('mouseover',newsPause,false);
    OBJ_NEWS.addEventListener('mouseout',newsContinue,false);
  }
  else if(OBJ_NEWS.attachEvent)
  {
    OBJ_NEWS.attachEvent('onmouseover',newsPause);
    OBJ_NEWS.attachEvent('onmouseout',newsContinue);
  }
}