jiliangzhifujsV1/js/tab.js

$(function(){
	$(".zhzdFir").click(function () {
	    $(this).toggleClass("now").siblings(".zhzdMenu").slideToggle("fast")
	    });

})

$(window).bind("scroll",function() {   
    if ($(document).scrollTop() + $(window).height(768)) {    
       $('.weiheList').addClass('show');
    }
})  


$(function(){
	$('.caseList .caseListBox').width(990*$('.caseList li').length+'px');
	$(".caseContainer .tab a").mouseover(function(){
		$(this).addClass('on').siblings().removeClass('on');
		var index = $(this).index();
		number = index;
		var distance = -990*index;
		$('.caseContainer .caseListBox').stop().animate({
			left:distance
		});
	});
	
	var auto = 1;  //等于1则自动切换，其他任意数字则不自动切换
	if(auto ==1){
		var number = 0;
		var maxNumber = $('.caseContainer .tab a').length;
		function autotab(){
			number++;
			number == maxNumber? number = 0 : number;
			$('.caseContainer .tab a:eq('+number+')').addClass('on').siblings().removeClass('on');
			var distance = -990*number;
			$('.caseContainer .caseListBox').stop().animate({
				left:distance
			});
		}
		var tabChange = setInterval(autotab,3000);
		//鼠标悬停暂停切换
		$('.caseContainer').mouseover(function(){
			clearInterval(tabChange);
		});
		$('.caseContainer').mouseout(function(){
			tabChange = setInterval(autotab,3000);
		});
	  }  
});