$(".nav_down_li").hover(function () {
	$(this).children("a").addClass("mya")
	$(this).children("a").addClass("mya")
},function(){
	$(this).children("a").removeClass("mya")
});

$(".list_list_ul_li").hover(function () {
	$(this).removeClass("list_list_ul_li");
	$(this).addClass("list_list_ul_li_hover");
	$(this).children("a").css("color", "#fff");
},function(){
	$(this).removeClass("list_list_ul_li_hover");
	$(this).addClass("list_list_ul_li");
	$(this).children("a").css("color", "#333");
});
//main1_right
$(".it_expertxt").mouseleave(function () {
	var imgsrc = $(this).find(".myimg").attr('src')
	if(imgsrc == './pictures/jiantou_write.png'){
		$(this).find(".myimg").attr('src','./pictures/jiantou.png')
	}else if(imgsrc == './pictures/new_write.png'){
		$(this).find(".myimg").attr('src','./pictures/new.png')
	}
	
});
$(".it_expertxt").hover(function () {
	$(this).find(".main1_right_title").css("color", "#fff");
	$(this).find(".it_experttime").css("color", "#fff");
	var imgsrc = $(this).find(".myimg").attr('src')
	if(imgsrc == './pictures/jiantou.png'){
		$(this).find(".myimg").attr('src','./pictures/jiantou_write.png')
	}else if(imgsrc == './pictures/new.png'){
		$(this).find(".myimg").attr('src','./pictures/new_write.png')
	}
}, function () {
	var div = $(this).find(".main1_right_title");
	$(this).find(".main1_right_title").css("color", "#434343");
	$(this).find(".it_experttime").css("color", "#7d858c");
});
$(".it_expertxt").hover(function () {
	$(this).animate({
		// width: 920,
		height:'70',
		marginLeft: '-10',
		marginRight: '-10',
	}, 100)
}, function () {
	$(this).stop(true).animate({
		marginLeft: 0,
		marginRight: 0,
		height:'70',
		// width: 583.4
	}, 100);
});
//main_more
$('.main_more').hover(function () {
	$('.more', this).stop().fadeIn(100);
	$('.more', this).stop().animate({ 'top': '5px' }, 400);
}, function () {
	$('.more', this).stop().fadeOut(100);
	$('.more', this).stop().animate({ 'top': '-18px' }, 400);
});
//main2_left
$(".it2_expertit").hover(function () {
	$(this).find(".myimg_2").attr('src','./pictures/jiantou_write.png')
	$(this).find(".myimg_3").attr('src','./pictures/jiantou_write.png')
	$(this).find(".myimg_4").attr('src','./pictures/jiantou_write.png')
});
$(".it2_expertit").mouseleave(function () {
	$(this).find(".myimg_2").attr('src','./pictures/jiantou.png')
	$(this).find(".myimg_3").attr('src','./pictures/jiantou.png')
	$(this).find(".myimg_4").attr('src','./pictures/jiantou.png')
})