menu auto scroll

menuAutoScroll,.js

//dependecy: jQuery
//just scroll to element with data-slice value
    function goToByScroll(dataslide) {
    	//jQuery function animate do that work
    	var elementWithDataSlideAttr = $('.slide[data-slide="' + dataslide + '"]');
    	//offset it is object with tho properties left and top (px from the left/top accordingly)
    	var offsetOfThatElement = elementWithDataSlideAttr.offset();
    	var configurationPlainObjectForAnimateFunction = {
    	    scrollTop: offsetOfThatElement.top
    	}
        htmlbody.animate(configurationPlainObjectForAnimateFunction, 2000, 'easeInOutQuint');
    }



    links.click(function (e) { //main menu event click handler
        e.preventDefault(); //prevent default link action
        dataslide = $(this).attr('data-slide'); //get data from data-slide attribute and save it to dataSlide variable
        goToByScroll(dataslide); //function that just scroll to specifice attribute value (for exmaple about it is 2)
    });