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" 
	});
})