//幻灯片显示
function slideSwitch() {
				var $current = $("#slideshow div.current");
				
				// 判断div.current个数为0的时候 $current的取值
				if ( $current.length == 0 ) $current = $("#slideshow div:last");
				
				// 判断div.current存在时则匹配$current.next(),否则转到第一个div
				var $next =  $current.next().length ? $current.next() : $("#slideshow div:first");
				$current.addClass('prev');
				
				$next.css({opacity: 0.0}).addClass("current").animate({opacity: 1.0}, 1500, function() {
						//因为原理是层叠,删除类,让z-index的值只放在轮转到的div.current,从而最前端显示
						$current.removeClass("current prev");
					});
			}
			
			$(function() {
				$("#slideshow span").css("opacity","0.7");
				$(".current").css("opacity","1.0");
				
				// 设定时间为3秒(1000=1秒)
				setInterval( "slideSwitch()", 3000 ); 
			});
			
			
			
//菜单栏下拉菜单
var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

function jsddm_open()
{	jsddm_canceltimer();
	jsddm_close();
	ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');		
}

function jsddm_close()
{	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}

function jsddm_timer()
{	closetimer = window.setTimeout(jsddm_close, timeout);}

function jsddm_canceltimer()
{	if(closetimer)
	{	window.clearTimeout(closetimer);
		closetimer = null;}}

$(document).ready(function()
{	$('#jsddm > li').bind('mouseover', jsddm_open);
	$('#jsddm > li').bind('mouseout',  jsddm_timer);});

document.onclick = jsddm_close;


			
			
//手风琴效果预设		
$(document).ready(function() {
	$("#myAccordion").myAccordion({
		speed: "medium", // @param : low, medium, fast
		defautContent: 0 // @param : number
	});
});