jQuery.fn.accessNews = function(settings) {
    settings = jQuery.extend({
        newsSpeed: "normal"
    }, settings);
    return this.each(function(i) {
        aNewsSlider.itemWidth = 172;
        aNewsSlider.init(settings,this);
    });
};

var aNewsSlider = {
    itemWidth: 0,
	iloscPrzewijanych: 1,
    init: function(s,p) {
        jQuery(".messaging",p).css("display","none");
        itemLength = jQuery(".item",p).length;      
        newsContainerWidth = itemLength * aNewsSlider.itemWidth;
        jQuery(".container",p).css("width",newsContainerWidth + "px");

		if(itemLength > 5) {
			jQuery(".next",p).css("display","block");
		}
        animating = false;
        jQuery(".next",p).click(function() {
            if (animating == false) {
                animating = true;
                animateLeft = parseInt(jQuery(".container",p).css("left")) - (aNewsSlider.itemWidth * aNewsSlider.iloscPrzewijanych);
                if (animateLeft + parseInt(jQuery(".container",p).css("width")) > 0) {
					jQuery(".prev",p).css("display","block");
                    jQuery(".container",p).animate({left: "-172px"}, s.newsSpeed, function() {
                        jQuery(this).css("left",animateLeft);
                        if (parseInt(jQuery(".container",p).css("left")) + parseInt(jQuery(".container",p).css("width")) <= aNewsSlider.itemWidth * aNewsSlider.iloscPrzewijanych * 5) {
                            jQuery(".next",p).css("display","none");
                        }
                        animating = false;
                    });
                } else {
                    animating = false;
                }
            }
            return false;
        });

        jQuery(".prev",p).click(function() {
            if (animating == false) {
                animating = true;
                animateLeft = parseInt(jQuery(".container",p).css("left")) + (aNewsSlider.itemWidth * aNewsSlider.iloscPrzewijanych);
                if ((animateLeft + parseInt(jQuery(".container",p).css("width"))) <= parseInt(jQuery(".container",p).css("width"))) {
                    jQuery(".next",p).css("display","block");
                    jQuery(".container",p).animate({left: "+172px"}, s.newsSpeed, function() {
                        jQuery(this).css("left",animateLeft);
                        if (parseInt(jQuery(".container",p).css("left")) == 0) {
                            jQuery(".prev",p).css("display","none");
                        }
                        animating = false;
                    });
                } else {
                    animating = false;
                }
            }
            return false;
        });
    }
};