// 主导航菜单
function mainnav(index) {
  var ind = index || 0;
  var navlist = $('#j_navlist');
  var currentele = navlist.find('.nav-item').eq(ind);
  var slipper = $('.nav-item-slipper'); 
  var currentleftpos = currentele.position().left;
  currentele.addclass('nav-item-on').siblings().removeclass('nav-item-on');
  slipper.css({'left': currentleftpos});
  navlist.hover(
    function(){},
    function(){
      slipper.stop().animate({
        left: currentleftpos,
      }, 'slow');
    }
  );
  navlist.slide({ 
    type: 'menu', 
    titcell: '.nav-item', 
    targetcell: '.nav-item-bd', 
    titonclassname: 'nav-item-on', 
    effect: 'slidedown', 
    delaytime: 300, 
    triggertime: 0, 
    returndefault: true,
    defaultindex: ind,
    startfun:function(i,c,s,tit){ 
      var thisleftpos = tit.eq(i).position().left;
      slipper.stop().animate({
        left: thisleftpos,
      }, 'slow');
    }
  });
}

jquery(document).ready(function ($) {
  $('.tabs').slide({ titcell:'.tabs-hd .tabs-trigger', maincell:'.tabs-bd', trigger: 'click' });

  // 返回顶部
  $('body').scrolltopcomponent({
    revealelement: 'body',
    revealposition: 'bottom',
    duration: 600,
    easing: 'swing',
    onscrollend: function () { }
  });
});