$.fn.addArticle = function(articleid,quantityinput) {
    if ($("#" + quantityinput).attr('value') != "undefined") {
    var $targetBtn = $(this);   
	$("#addItemWidget-msg").load(
		"/layouts/shop/Handlers/AjaxBuyButtonHandler.aspx", 
		{'quantity':$("#" + quantityinput).attr('value'), 'externalid':articleid}, 
		function(){
				var placement = $targetBtn.offset();
				placement.width = $("#addItemWidget").width();
				placement.top += 15; 
				$("#addItemWidget").css(placement).slideDown(300, function(){
				setTimeout(function(){ $("#addItemWidget").animate({opacity:"hide",height:"hide"}, 300);}, 1500);
			});
			$("#cartholder").load("/layouts/shop/Handlers/AjaxBasket.aspx");
			$("#cart").show();
		}
	);
	} 
	return false;
};