jQuery.fn.simpleScroll = function(options) {
	var defaults = {
			speed: 2000,
			easing: 'easeInQuad'
	};
	
	 var opts = jQuery.extend(defaults, options);
	 
	//scrollers
	var down = jQuery('<img src="/images/scroll_nuoli_down.gif" />').css({'position':'absolute','bottom':0,'left':0}).hover(function () {
		$this.down();
    }, function () {
		$this.stop();
    });
	var up = jQuery('<img src="/images/scroll_nuoli.gif" />').css({'position':'absolute','top':0,'left':0}).hover(function () {
		$this.up();
    }, function () {
		$this.stop();
    });
	//self
	var $this = jQuery(this);
	//scrolled element
	var scrollMe = $this.find(':first');
	
	up.appendTo($this);
	down.appendTo($this);
	
	//top position (image height)
	var topPos = 21;
	//set scrolled element right after top scroller
	scrollMe.css('top',topPos);
	
	//methods
	jQuery.extend($this,{
	
		up: function() {
				return this.scroll('up');
		},
		down: function() {
				return this.scroll('down');
		},
		scroll: function(dir){
			switch(dir){
				case 'down':
					scrollMe.animate({
					top: $this.outerHeight() - scrollMe.outerHeight() - (topPos) - 2
			      }, opts.speed , opts.easing);
				break;
				case 'up':
					scrollMe.animate({ 
					top: topPos
			      }, opts.speed , opts.easing);
				break;
			}			
		},
		stop: function(){
			scrollMe.stop();		
		}
	
	});
};