$(document).ready(function() {
$(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 - Math.abs(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"));
    });
  };
		animator(ticker.children(":first"));
});

				
		ticker.mouseenter(function() {
		  ticker.children().stop();
		});
		
		ticker.mouseleave(function() {
	  	animator(ticker.children(":first"));
    }); 
});