function centering_floated_element (div_class) {
	var cflWidth = $(div_class).width()+10;
	$(div_class).css({"float": "none", "width": cflWidth, "margin": "0px auto"});
}

$(document).ready(function() {
	centering_floated_element(".top_menu_pattern");
	$('#jmenu').jmenu({animation:'slide',duration:100});
});