var userAgent = navigator.userAgent.toLowerCase();
window.browser = {
    version: (userAgent.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1],
    safari: /webkit/.test(userAgent),
    opera: /opera/.test(userAgent),
    msie: /msie/.test(userAgent) && !/opera/.test(userAgent),
    mozilla: /mozilla/.test(userAgent) && !/(compatible|webkit)/.test(userAgent)
};

if(browser.msie){
	if(parseInt(browser.version) < 9 ) alert("为了获得更好的浏览体验，请升级浏览器！");
}

$(function()
{
	var userAgent = navigator.userAgent.toLowerCase();
    // Figure out what browser is being used 
    jQuery.browser = {
        version: (userAgent.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1],
        safari: /webkit/.test(userAgent),
        opera: /opera/.test(userAgent),
        msie: /msie/.test(userAgent) && !/opera/.test(userAgent),
        mozilla: /mozilla/.test(userAgent) && !/(compatible|webkit)/.test(userAgent)
    }; 
    
    // check placeholder browser support
    if ($.browser.msie&&($.browser.version == "9.0" || $.browser.version == "8.0"))
    {
 
        // set placeholder values
        $(this).find('[placeholder]').each(function()
        {
            if ($(this).val() == '') // if field is empty
            {
                $(this).val( $(this).attr('placeholder') );
            }
        });
 
        // focus and blur of placeholders
        $('[placeholder]').focus(function()
        {
            if ($(this).val() == $(this).attr('placeholder'))
            {
                $(this).val('');
                $(this).removeClass('placeholder');
            }
        }).blur(function()
        {
            if ($(this).val() == '' || $(this).val() == $(this).attr('placeholder'))
            {
                $(this).val($(this).attr('placeholder'));
                $(this).addClass('placeholder');
            }
        });
 
        // remove placeholders on submi
        $('[placeholder]').closest('form').submit(function()
        {
            $(this).find('[placeholder]').each(function()
            {
                if ($(this).val() == $(this).attr('placeholder'))
                {
                    $(this).val('');
                }
            })
        });
 
    }
});

var TopMenu=function()
{
	var $TopmenuChildren = $(".topmenu-children"), topmenuTimerout = 0;
	var Method={
		topMenuItemIn:function(){
			var $this = $(this), childrenText = $this.children("dl").html();
			if(!childrenText)
			{
				return;
			}
			
			Method.clearTimerOut();
			
			if(!$TopmenuChildren.attr("text") != $this.children("a").text())
			{
				$TopmenuChildren.attr("text",$this.children("a").text());
				$TopmenuChildren.empty().html("<i class=triangle-up ></i><dl>"+childrenText+"</dl>");
			}
			
			if(!$this.attr("childrenWidth"))
			{
				var childrenWidth = 0;
				$TopmenuChildren.children("dl").children("dd").each(function(){
					childrenWidth += $(this).innerWidth();
				})
				
				$this.attr("childrenWidth", childrenWidth);
			}
			
			Method.measure($this.offset().left, $this.innerWidth(), $this.attr("childrenWidth"));
			Method.show();
		}, 
		topMenuItemOut:function(){
			topmenuTimerout = setTimeout(Method.hide,30);
		},
		show:function(){
			$TopmenuChildren.stop(true).animate({"height":55});
		},
		hide:function(){
			$TopmenuChildren.stop(true).animate({"height":0})
		},
		clearTimerOut:function(){
			clearTimeout(topmenuTimerout);
		},
		measure:function(topMenuOffsetLeft, topMenuWidth, childrenWidth){
			$TopmenuChildren.children("i").css("left",topMenuOffsetLeft+topMenuWidth*0.5-10);
			//判断是否
			
			//$TopmenuChildren.children("dl").css("padding-right",0);
			var pl  = topMenuOffsetLeft-childrenWidth*0.5+topMenuWidth*0.5 ;
			var dll = $TopmenuChildren.children("dl").width();
			if((parseFloat(pl) + parseFloat(childrenWidth)) > parseFloat(dll)){
				pl = parseFloat(dll) - parseFloat(childrenWidth);
			}
			$TopmenuChildren.children("dl").css("padding-left",pl);
		}
	}
	//一级菜单
	$(".topmenu-ul li").hover(Method.topMenuItemIn, Method.topMenuItemOut);
	//二级菜单
	$TopmenuChildren.hover(Method.clearTimerOut, Method.hide);
}();

var HeaderScroll=function()
{
	var $HeaderMenu = $(".topmenu");
	var $Body       = $("#scroll-body"); 
	var $Header     = $("#header-top");
	
	if($Body.length == 0){
		return;
	}
	
	var Script=function()
	{
		var scrollTop  = $(document).scrollTop();
		
		$HeaderMenu.css("top",scrollTop<=33 ? 33-scrollTop : 0);
		$Header.css("top",-scrollTop);
		
    	if(scrollTop == 0){
    		$HeaderMenu.removeClass("shadow");
    		$Body.css("z-index",0); 
    	}else{
    		if(!$HeaderMenu.hasClass("shadow")){
    			$HeaderMenu.addClass("shadow");
    			$Body.css("z-index",0);
    		}
    	}
	};
	Script();
    $(window).scroll(Script); 
}();

var Tabs=function(){
	var $Tabs = $(".--tabs .--tabs-tag");
		$Tabs.click(function(){
			var $this     = $(this),
				$tabsTags = $this.parents(".--tabs").children(".--tabs-tag");
				$tabsTags.removeClass("select");
				for(var i=0;i<$tabsTags.length;i++){
					$($tabsTags[i].getAttribute("content")).removeClass("-show");
				}
				$(this.getAttribute("content")).addClass("-show");
				$this.addClass("select");
		})
}();

var ScrollNews=function(timer){
	if($("#scroll-news").length==0 || $("#scroll-news").children("li").length<=1){
		return;
	}
	
	var $ScrollNews = $("#scroll-news"),
		len         = $ScrollNews.children("li").length*2,
		$currentTag = $("#scroll-tag i"),
		scrollCount = 0,
		interval    = 0;
		 
	$ScrollNews.append($ScrollNews.html());
	$ScrollNews.css("width", len*325);
	
	var stop   = function(){ clearInterval(interval);  }
	var start  = function(){ stop(); interval = setInterval(scroll, timer); }
	var scroll = function(dif)
	{  
		scrollCount++;
		if(scrollCount == 4){
			scrollCount = 1;
			$ScrollNews.css("margin-left",0);
		}
		$ScrollNews.animate({"margin-left": scrollCount*-325 });
		
		//标记
		$currentTag.removeClass("current");
		$($currentTag.get(scrollCount == 3 ? 0 : scrollCount)).addClass("current");
	}     
	
	$ScrollNews.hover(stop,start);
	start();
	
	$currentTag.hover(function(){
		$ScrollNews.animate({"margin-left": $currentTag.index(this)*-325 });
		$currentTag.removeClass("current");
		$(this).addClass("current")
	},function(){
		
	})
	
}(4000);
	
$(function(){
	$(".prev,.next").hover(function(){
		$(this).stop(true,false).fadeTo("show",0.9);
	},function(){
		$(this).stop(true,false).fadeTo("show",0.4);
	});
	
	$(".banner-box").slide({
		titCell:".hd ul",
		mainCell:".bd ul",
		effect:"fold",
		interTime:3500,
		delayTime:500,
		autoPlay:true,
		autoPage:true, 
		trigger:"click" 
	});
})