//scroll vertical per a noticies - necessita llibreria jquery

$(function() { 
  //cache the ticker
  var ticker = $("#ticker");
    
  //wrap dt:dd pairs in divs
  ticker.children().filter("dt").each(function() {    
    var dt = $(this), container = $("<div>");
    dt.next().appendTo(container);
    dt.prependTo(container);    
    container.appendTo(ticker);
  });
    
  //hide the scrollbar
  ticker.css("overflow", "hidden");  
  //animator function
  function animator(currentItem) {      
    //work out new anim duration
    var distance = currentItem.height();
   	duration = (distance + parseInt(currentItem.css("marginTop"))) / 0.025;
    //animate the first child of the ticker
    currentItem.animate({ marginTop: -distance }, duration, "linear", function() {      
   //move current item to the bottom
   currentItem.appendTo(currentItem.parent()).css("marginTop", 0);
   //recurse
   animator(currentItem.parent().children(":first"));
    }); 
  };
  
  //start the ticker
  animator(ticker.children(":first"));    
  //set mouseenter
  ticker.mouseover(function() {    
    //stop current animation
    ticker.children().stop();    
  });  
  //set mouseleave
  ticker.mouseout(function() {           
	//resume animation
    animator(ticker.children(":first"));    
  });
});