var sc_interval = null;
var sc_speed = 40;
var sc_step = 1;
var sc_ids = {'scroller_event':1, 'scroller_news':1 };

function sc_anim(){
    for (id in sc_ids) if(sc_ids[id]){
	  var o = document.getElementById(id);
      
	  if (o&&o.style){
		o.onmouseover = o.onmouseout  = function(){ sc_ids[this.id] ^= true;  }
		o.style.visibility = 'visible';
		o.style.top = (o.offsetTop - sc_step) + 'px';
		if (o.offsetTop <= -o.firstChild.offsetHeight) 
		    o.style.top = o.parentNode.offsetHeight+'px';
	  }
    }
}

window.onload = function() { sc_interval = setInterval('sc_anim()', sc_speed); }