var Scrollable = function(){		
	var headline_count;
	var headline_interval;
	var old_headline = 0;
	var current_headline = 0;
	
	var outDestinationPosH;
	var standByPosH;
	
	function headline_rotate() {
	  current_headline = (old_headline + 1) % headline_count; 
	  $("div.headline:eq(" + old_headline + ")").animate({top: outDestinationPosH},"slow", function() {
	    $(this).css('top', standByPosH + 'px');
	    });
	  $("div.headline:eq(" + current_headline + ")").show().animate({top: 5},"slow");  
	  old_headline = current_headline;
	}
	
	return {
		init: function(height,pauseTime) {
			headline_count = $("div.headline").size();
			standByPosH = height + 10;
			outDestinationPosH = (height + 5) * -1;
			$("div.headline:eq("+current_headline+")").css('top','5px');
		  
			headline_interval = setInterval(headline_rotate,pauseTime); //time in milliseconds
			$('#scrollup').hover(function() {
				clearInterval(headline_interval);
			}, function() {
				headline_interval = setInterval(headline_rotate,pauseTime); //time in milliseconds
				headline_rotate();
			});
		}
	}
}();