$(document).ready(function() {
	$("ul.main-nav li").hover(function () {
		hover = $("ul.main-nav li").index(this);
		$("#switch_container").children().css("display","none");
		$("#c" + hover).css("display","inline");
		$("ul.main-nav li").removeClass("active");
		$("ul.main-nav li").eq(hover).addClass("active");
	},
	function () {
        // do something... or nothing
      }
    );
});