$(document).ready(function() {
    $(".share-btn").click(function () {
	var bar = $("#sharebar");
	var left = bar.css("left").replace("px","");
	if (parseInt(left) == -40) {
	    bar.animate({
		left: '+=40'
	    }, 1000, function() {});
	} else if (parseInt(left) == 0) {
	    bar.animate({
		left: '-=40'
	    }, 1000, function() {});
	}
    });
});