jQuery('input#categoriesheight').val(jQuery('div#ulholder').height());	jQuery('div#ulholder').attr("style","height:0px;overflow:hidden;");	jQuery('li#categoriesmenu').mouseenter(function () {	if (jQuery('div#ulholder').height() == 0) {		var h = jQuery('input#categoriesheight').val()*1 + 42;		jQuery('div#ulholder').animate({height:h + "px"},250);	}	});	jQuery('li#categoriesmenu').mouseleave(function () {		jQuery('div#ulholder').animate({height:"0px"},250,function () {			jQuery('div#ulholder').css("overflow","hidden");		});	});