$(document).ready(function(){
     $(".touch-toggle a").click(function(event){

      var classname = $(this).attr("data-drawer");

      if( $("."+classname).css('display') == 'none' ){      

       $("."+classname).slidedown().siblings(".drawer-section").slideup();
	   $(".touch_bg").slidedown();//20170419
      }else{

       $(".drawer-section").slideup(); 
	   $(".touch_bg").slideup();//20170419

      }
      event.stoppropagation();
	  
     });
 
	$(".touch_bg").click(function(){
			 $(".drawer-section").slideup();   	
			  $(".touch_bg").slideup();//20170419
		 })	
	$(".closetitle").click(function(){
			 $(".drawer-section").slideup();   	
			  $(".touch_bg").slideup();//20170419
		 })	
		
     //$(document).click(function(){
//
//      $(".drawer-section").slideup();   
//	  
//     })

     $('.touch-menu a').click(function(){     

      if( $(this).next().is('ul') ){

       if( $(this).next('ul').css('display') == 'none' ){
		$('.touch-menu ul li').find("ul").slideup();
		$('.touch-menu ul li').find("a").find('i').attr("class","touch-arrow-down");
        $(this).next('ul').slidedown();

        $(this).find('i').attr("class","touch-arrow-up");     
		//$(".touch-top").css("position","absolute");
       }else{

        $(this).next('ul').slideup();

        $(this).next('ul').find('ul').slideup();

        $(this).find('i').attr("class","touch-arrow-down");
		//$(".touch-top").css("position","fixed");

       }   

      }

     });


    });
	
	  
  
    // 导航显示与隐藏
  var navheight = false;
  $(window).scroll(function(){
    nav();
  })
  nav();
  function nav(){
    if( $(window).scrolltop() > $(window).height() && navheight == false ){
      $("body").addclass("nav-hide");
      navheight = true;
    }else if($(window).scrolltop() <= $(window).height() && navheight == true ){
      navheight = false;
      $("body").removeclass("nav-hide");
    }
  }
  $(window).mousewheel(function(e, delta) { //滚动条向上滚动
      p = $(window).scrolltop();
      if( p > $(window).height() ){
        if (delta < 0) {
          $("body").addclass("nav-hide");
        } else { //上滚
           $("body").removeclass("nav-hide");
        }
      }
  })