function initMenu() {

	lastBlock = $(".li1");
    maxWidth = 836;
    minWidth = 40;
	
	$("ul.slide li.slider, ul.slide li.last").click(
		function(){
			$(lastBlock).animate({width: minWidth+"px"}, { queue:false, duration:400 });
			$(this).animate({width: maxWidth+"px"}, { queue:false, duration:400});
			lastBlock = this;
			$("li.slider a, li.last a").removeClass("on");
			$(this).children(":first-child").addClass("on");
		});
}

$(document).ready(function() {
	initMenu();
});