/*
 * 图片切换api
 * */
(function($) {
	$.smallslider=function(elm, options){
	// this 为当前的smallslider对象，为了区别，使用 _this 替换
	var _this = this;
	      _this.elm = elm ;	    // elm 为当前的 dom对象 ，即使用class="smallslider" 的那个div对象。
	      _this.$elm = $(elm);  // $elm 为elm对象的jquery形式 
	      _this.opts=$.extend({},$.smallslider.defaults, options);	      
              _this.slidertimer= null ;

	    // 初始化对象
	    _this.init = function()
	    {   
		    _this.$ul = _this.$elm.find('>ul') ;  // 为子元素ul
		    _this.$lis = _this.$elm.find('li') ;  // 为所有ul下子元素li 数组
		    _this.$ims = _this.$elm.find('img') ;  // 为所有li下子元素img 数组
		    _this.itemnums = _this.$lis.length ;
		    _this.width = _this.$elm.width();
		    _this.height = _this.$elm.height();
		    _this.current = 0 ;			// 当前的index索引
		    
		    if(_this.itemnums > 1)
		    {
			if(_this.opts.switcheffect=='ease')
			{
			    _this.$ul.css({
				position:'absolute',
				left:0,
				top: 0
			    });
			    if(_this.opts.switchpath=='left')
			    {
				var width = _this.itemnums *  _this.width;
				_this.$lis.css({
				    'float' : 'left'
				});
				_this.$ul.css({
				    'width' : width
				});
			    }
			    else if(_this.opts.switchpath=='up')
			    {
				var height = _this.itemnums *  _this.height;
				_this.$ul.css({
				    'height' : height
				});
			    }
			}
			else if(_this.opts.switcheffect=='fadeout')
			{
			    _this.$ul.css({
				position:'relative'
			    });
			    _this.$lis.css({
				position:'absolute',
				zindex:1
			    }).eq(0).css({
				zindex:2
			    });
			}
			if(_this.opts.showbuttons)
			{
			    _this.createbuttons();	// 创建按钮。
			}
			if(_this.opts.showtext)
			{
			    _this.createtext();	// 创建文字显示。
			}
			if(_this.opts.autostart)
			{
			    _this.startslider(1);
			}
			if(_this.opts.onimagestop)
			{
			    _this.onimage();
			}
		    }
	    };
	    _this.createbuttons = function()
	    {
		    var buttons='';
		    for(var i=1; i <= _this.itemnums ; i++ ){
			buttons += '<span>'+i+'</span>';
		    }
		    buttons ='<div class="smallslider-btns">' + buttons + '</div>';
		    var left=0,right=0,top =0,bottom=0;
		    var style_btns={};
		    switch(_this.opts.buttonposition){
			case 'lefttop':
			    left = _this.opts.buttonoffsetx;
			    top  = _this.opts.buttonoffsety;
			    style_btns={left: left + 'px' , top: top+'px'};
			    break;
			case 'righttop':
			    right = _this.opts.buttonoffsetx;
			    top  = _this.opts.buttonoffsety;
			    style_btns={right: right + 'px' , top: top+'px'};
			    break;
			case 'rightbottom':
			    right = _this.opts.buttonoffsetx;
			    bottom = _this.opts.buttonoffsety;
			    style_btns={right: right + 'px' ,bottom: bottom+'px'};
			    break;
			case 'leftbottom':
			    left = _this.opts.buttonoffsetx;
			    bottom = _this.opts.buttonoffsety;
			    style_btns={left: left + 'px' ,bottom: bottom+'px'};
			    break;
		    }
		    $(buttons).css(style_btns).appendto(_this.$elm);
		    _this.$btns = _this.$elm.find('span');
		    _this.$elm.find('span:not(:first)').css({marginleft: _this.opts.buttonspace+'px'});
		    _this.$btns.removeclass('current-btn');
		    _this.$btns.eq(0).addclass('current-btn');
		    if(_this.opts.switchmode=='click'){
			_this.$btns.click(function(){
			    var ix = _this.$btns.index($(this));
			    _this.slideto(ix); // 表示需要切换到哪一张
			});
		    }else if(_this.opts.switchmode=='hover'){
			 _this.$btns.hover(function(){
			    var ix = _this.$btns.index($(this));
			    _this.slideto(ix);
			});
		    }
	    };

	    // 创建标题标签
	_this.createtext = function(){
	    var style_tex={}; 
	    switch(_this.opts.buttonposition){
		case 'lefttop':
		    style_tex={left:0,	top:0,textalign:'right'};
		    _this.textposition = 'top';
		    break;
		case 'righttop':
		    style_tex={left:0,	top:0,textalign:'left'};
		    _this.textposition = 'top';
		    break;
		case 'rightbottom':
		    style_tex={left:0,bottom:0,textalign:'left'};
		    _this.textposition = 'bottom';
		    break;
		case 'leftbottom':
		    style_tex={left:0,bottom:0,textalign:'right'};
		    _this.textposition = 'bottom';
		    break;
	    }
	    if(_this.opts.textposition){
		switch(_this.opts.textposition)
		{
			case 'top':
			    style_tex.left = 0 ;  style_tex.top = 0;
			    break;
			case 'bottom':
			    style_tex.left = 0 ; style_tex.bottom=0 ;
			    break;
		}
		_this.textposition = _this.opts.textposition ;
	    }
	    if(_this.opts.textalign)
	    {
		    style_tex.textalign =_this.opts.textalign;
	    }
	    $('<div class="smallslider-tex smallslider-lay"></div>').css(style_tex).css({
		opacity:0.39
	    }).appendto(_this.$elm);

	    var tex0= _this.$ims.eq(0).attr('alt');
	    if(_this.opts.textlink){
		tex0 = '<a href="'+_this.$ims.eq(0).parent('a').attr('href')+'">'+ tex0+'</a>';
	    }
	    $('<h3 class="smallslider-tex"></h3>').css(style_tex).html(tex0).appendto(_this.$elm);
	    _this.$h3 = _this.$elm.find('h3');
	    _this.$lay = _this.$elm.find('div.smallslider-lay');
	    _this.$tex = _this.$elm.find('.smallslider-tex');
	};
        _this.onimage =function(){
            _this.$ims.hover(function(){
                _this.stopslider();
            }, function(){
                _this.slideto(_this.current+1);
            });
        };

        _this.slideto = function (index){
            _this.stopslider(); // 先清掉以前的settimeout;
            if(index > _this.itemnums -1) index = 0;
	    if(index < 0 ) index = _this.itemnums -1 ;
	    // 切换表示当前元素
            _this.$lis.removeclass('current-li').eq(index).addclass('current-li');
	    if(_this.opts.showbuttons)
	    {
		_this.$btns.removeclass('current-btn');
		_this.$btns.eq(index).addclass('current-btn');
	    }
	    _this.slidetext(index);
	    var chattr = '';
	    var ic = 0;
	    switch(_this.opts.switchpath)
	    {	
		case 'left':
		    chattr = 'left';
		    ic =_this.width ;
		    break;
		case 'up':
		 default :
		    chattr = 'top';
		    ic = _this.height ;
		    break;
	    }
	    var icx = -1 * index * ic; // top或left 变化量
	    var switchease = _this.opts.switchease  ;
            switch( _this.opts.switcheffect){
                case 'fadeout':
		    _this.$lis.stop(true,false);
                    _this.$lis.css({zindex:1,opacity:1}).hide();
		    _this.$lis.eq(_this.current).css({zindex:3}).show();
		    _this.$lis.eq(index).css({zindex:2}).show();
                    if(_this.current != index)
                    {
                    	_this.$lis.eq(_this.current).fadeout(_this.opts.switchtime,function(){
				_this.$lis.css({zindex:1});
				_this.$lis.eq(index).css({zindex:3,opacity:1}).show();
                   	});
                    }
                    break;
		case 'ease':
		    _this.$ul.stop(true,false);
		    if(chattr=='top')
			_this.$ul.animate({top : icx}, {duration: _this.opts.switchtime, easing: switchease, complete: function(){
			    }
			});
		    else if(chattr=='left')
			_this.$ul.animate({left : icx}, {duration: _this.opts.switchtime, easing: switchease ,complete:function(){
			}});
		    break;
                case 'none':
                default :
                    _this.$lis.eq(_this.current).hide();
                    _this.$lis.eq(index).show();
                    break;
            }
	    _this.current = index ;
            _this.startslider(index+1);
        };

	// 切换文字
	_this.slidetext = function(index)
	{
	    if(_this.opts.showtext)
	    {
		    var tex = _this.$ims.eq(index).attr('alt');
		    if(_this.opts.textlink){
			tex = '<a href="'+_this.$ims.eq(index).parent('a').attr('href')+'">'+ tex+'</a>';
		    }
		    _this.$h3.html(tex);
		    if(_this.opts.textswitch>0){
			var t_path = _this.$h3.height();
			var t_ani1 ={}, t_ani2 ={};
			if(_this.textposition=='top'){
				t_ani1 = {top : -1*t_path};
				t_ani2 = {top : 0}; 
			 }
			else if(_this.textposition=='bottom'){
				t_ani1 = {bottom : -1*t_path};
				t_ani2 = {bottom : 0};
			 }
			 if(_this.opts.textswitch==1) {
				 _this.$h3.stop(true, false).animate(t_ani1, {duration: 200, easing: 'easeoutquad'}).animate(t_ani2, {duration: 200, easing: 'easeoutquad'});
			 }else if(_this.opts.textswitch==2){
				 _this.$tex.stop(true, false).animate(t_ani1, {duration: 200, easing: 'easeoutquad'}).animate(t_ani2, {duration: 200, easing: 'easeoutquad'});
				//_this.$lay.animate(t_ani1, {duration: 200, easing: 'easeoutquad'}).animate(t_ani2, {duration: 200, easing: 'easeoutquad'});
			 }
		    }
	    }
	};
        
	// 开始切换
        _this.startslider = function(index){
            // 由第几个序号开始 初始为1
            var st =settimeout(function(){
                _this.slideto(index);
            },_this.opts.time);
	    _this.slidertimer = st ;
        };
	// 停止切换
        _this.stopslider = function(){
	    //if(_this.opts.switcheffect=='fadeout') _this.$lis.stop();
	  //  else if(_this.opts.switcheffect=='ease') _this.$ul.stop();
            if(_this.slidertimer) {
		cleartimeout(_this.slidertimer);
	    }		
            _this.slidertimer = null;
        };

	_this.init();
    };

    $.smallslider.defaults={
            time:3000,              // 切换时间间隔，单位毫秒，1秒=1000毫秒
            autostart:true,         // 是否自动开始播放
	    onimagestop : false , // 鼠标放在图片上时，是否停止播放
            switchmode:'hover',     // 图片切换的方式，click为单击切换，hover为鼠标移动到按钮上时切换
            switcheffect:'fadeout', // 切换特效,fadeout, ease, none,
	    switchpath: 'left' , // 切换的方向，可选值为：up ， left ，即向上，向左
	    switchease : 'easeoutquart' , // 可选值列表如下
            switchtime: 600,         // 切换时间，单位毫秒，1秒=1000毫秒
            buttonposition: 'rightbottom', // 按钮位置表示，共有四个值：lefttop，leftbottom, righttop, rightbottom
            buttonoffsetx:10,             // 水平方向上的按钮偏移位置，指向中心部移动多少，这里是数值，不加px
            buttonoffsety:4,              // 竖直方向上的按钮偏移位置，指向中心部移动多少，这里是数值，不加px
            buttonspace:4,           // 按钮之间的间隔 单位为像素，但不要加px
	    showtext: true,          // 是否显示标题，如果不显示，则只显示按钮
	    showbuttons : true,	    // 是否显示按钮，默认显示
	    textlink : true,          // 是否给显示的标题加上链接，如果为false，则，只显示标题，标题不可单击，链接的地址自动和当前播放到的图片地址一致
	    textswitch : 0 ,	// 标题是否运动显示，如果为0则不动，1 标题动，2 标题和背景一起动。
	    textposition: '',		// 标题栏的位置，默认为空，即和按钮的位置一致，取值 top ,  bottom
	    textalign: ''		// 如果留空，则会默认和按钮位置的相反方向排列，取值：left, center, right
    };

    $.fn.smallslider = function(options){
	    // 遍历由$.smallslider类创建生成的smallslider对象。
	    return this.each(function(i){
				(new $.smallslider(this, options));
	   });
    };
    
})(jquery);

$.smallslider.switcheases = ["easeinquad", "easeoutquad", "easeinoutquad", "easeincubic", "easeoutcubic",
 "easeinoutcubic", "easeinquart", "easeoutquart", "easeinoutquart", "easeinquint", "easeoutquint", "easeinoutquint",
 "easeinsine", "easeoutsine", "easeinoutsine", "easeinexpo", "easeoutexpo", "easeinoutexpo", "easeincirc", "easeoutcirc", "easeinoutcirc", "easeinelastic",
 "easeoutelastic", "easeinoutelastic", "easeinback", "easeoutback", "easeinoutback",
 "easeinbounce", "easeoutbounce", "easeinoutbounce"];

// t: current time, b: beginning value, c: change in value, d: duration
jquery.easing['jswing'] = jquery.easing['swing'];

jquery.extend( jquery.easing,
{
	def: 'easeoutquad',
	swing: function (x, t, b, c, d) {
		//alert(jquery.easing.default);
		return jquery.easing[jquery.easing.def](x, t, b, c, d);
	},
	easeinquad: function (x, t, b, c, d) {
		return c*(t/=d)*t + b;
	},
	easeoutquad: function (x, t, b, c, d) {
		return -c *(t/=d)*(t-2) + b;
	},
	easeinoutquad: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t + b;
		return -c/2 * ((--t)*(t-2) - 1) + b;
	},
	easeincubic: function (x, t, b, c, d) {
		return c*(t/=d)*t*t + b;
	},
	easeoutcubic: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t + 1) + b;
	},
	easeinoutcubic: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t + b;
		return c/2*((t-=2)*t*t + 2) + b;
	},
	easeinquart: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t + b;
	},
	easeoutquart: function (x, t, b, c, d) {
		return -c * ((t=t/d-1)*t*t*t - 1) + b;
	},
	easeinoutquart: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
		return -c/2 * ((t-=2)*t*t*t - 2) + b;
	},
	easeinquint: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t*t + b;
	},
	easeoutquint: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t*t*t + 1) + b;
	},
	easeinoutquint: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
		return c/2*((t-=2)*t*t*t*t + 2) + b;
	},
	easeinsine: function (x, t, b, c, d) {
		return -c * math.cos(t/d * (math.pi/2)) + c + b;
	},
	easeoutsine: function (x, t, b, c, d) {
		return c * math.sin(t/d * (math.pi/2)) + b;
	},
	easeinoutsine: function (x, t, b, c, d) {
		return -c/2 * (math.cos(math.pi*t/d) - 1) + b;
	},
	easeinexpo: function (x, t, b, c, d) {
		return (t==0) ? b : c * math.pow(2, 10 * (t/d - 1)) + b;
	},
	easeoutexpo: function (x, t, b, c, d) {
		return (t==d) ? b+c : c * (-math.pow(2, -10 * t/d) + 1) + b;
	},
	easeinoutexpo: function (x, t, b, c, d) {
		if (t==0) return b;
		if (t==d) return b+c;
		if ((t/=d/2) < 1) return c/2 * math.pow(2, 10 * (t - 1)) + b;
		return c/2 * (-math.pow(2, -10 * --t) + 2) + b;
	},
	easeincirc: function (x, t, b, c, d) {
		return -c * (math.sqrt(1 - (t/=d)*t) - 1) + b;
	},
	easeoutcirc: function (x, t, b, c, d) {
		return c * math.sqrt(1 - (t=t/d-1)*t) + b;
	},
	easeinoutcirc: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return -c/2 * (math.sqrt(1 - t*t) - 1) + b;
		return c/2 * (math.sqrt(1 - (t-=2)*t) + 1) + b;
	},
	easeinelastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;if ((t/=d)==1) return b+c;if (!p) p=d*.3;
		if (a < math.abs(c)) {a=c;s=p/4;}
		else s = p/(2*math.pi) * math.asin (c/a);
		return -(a*math.pow(2,10*(t-=1)) * math.sin( (t*d-s)*(2*math.pi)/p )) + b;
	},
	easeoutelastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;if ((t/=d)==1) return b+c;if (!p) p=d*.3;
		if (a < math.abs(c)) {a=c;s=p/4;}
		else s = p/(2*math.pi) * math.asin (c/a);
		return a*math.pow(2,-10*t) * math.sin( (t*d-s)*(2*math.pi)/p ) + c + b;
	},
	easeinoutelastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;if ((t/=d/2)==2) return b+c;if (!p) p=d*(.3*1.5);
		if (a < math.abs(c)) {a=c;s=p/4;}
		else s = p/(2*math.pi) * math.asin (c/a);
		if (t < 1) return -.5*(a*math.pow(2,10*(t-=1)) * math.sin( (t*d-s)*(2*math.pi)/p )) + b;
		return a*math.pow(2,-10*(t-=1)) * math.sin( (t*d-s)*(2*math.pi)/p )*.5 + c + b;
	},
	easeinback: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*(t/=d)*t*((s+1)*t - s) + b;
	},
	easeoutback: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
	},
	easeinoutback: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
	},
	easeinbounce: function (x, t, b, c, d) {
		return c - jquery.easing.easeoutbounce (x, d-t, 0, c, d) + b;
	},
	easeoutbounce: function (x, t, b, c, d) {
		if ((t/=d) < (1/2.75)) {
			return c*(7.5625*t*t) + b;
		} else if (t < (2/2.75)) {
			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
		} else if (t < (2.5/2.75)) {
			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
		} else {
			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
		}
	},
	easeinoutbounce: function (x, t, b, c, d) {
		if (t < d/2) return jquery.easing.easeinbounce (x, t*2, 0, c, d) * .5 + b;
		return jquery.easing.easeoutbounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
	}
});

/*
 * 图片放大
 * */
(function($){
	var opts;

	$.fn.lightbox = function(options){
		// build main options
		opts = $.extend({}, $.fn.lightbox.defaults, options);

		// initalize the lightbox
		$.fn.lightbox.initialize();
		return this.each(function(){
			$(this).click(function(){
				$(this).lightbox.start(this);
				return false;
			});
		});
	};

	// lightbox functions
	$.fn.lightbox.initialize = function(){
		$('#overlay').remove();
		$('#lightbox').remove();
		opts.inprogress = false;
		var outerimage = '<div id="outerimagecontainer"><div id="imagecontainer"><img id="lightboximage"><div id="hovernav"><a href="javascript://" title="' + opts.strings.prevlinktitle + '" id="prevlink"></a><a href="javascript://" id="nextlink" title="' + opts.strings.nextlinktitle + '"></a></div><div id="loading"><a href="javascript://" id="loadinglink"><img src="'+opts.fileloadingimage+'"></a></div></div></div>';
		var imagedata = '<div id="imagedatacontainer" class="clearfix"><div id="imagedata"><div id="imagedetails"><span id="caption"></span><span id="numberdisplay"></span></div><div id="bottomnav">'

		if (opts.displayhelp)
			imagedata += '<span id="helpdisplay">' + opts.strings.help + '</span>';

		imagedata += '<a href="javascript://" id="bottomnavclose" title="' + opts.strings.closetitle + '"><img src="'+opts.filebottomnavcloseimage+'"></a></div></div></div>';

		var string;

		if (opts.navbarontop) {
		  string = '<div id="overlay"></div><div id="lightbox">' + imagedata + outerimage + '</div>';
		  $("body").append(string);
		  $("#imagedatacontainer").addclass('ontop');
		} else {
		  string = '<div id="overlay"></div><div id="lightbox">' + outerimage + imagedata + '</div>';
		  $("body").append(string);
		}

		$("#overlay").click(function(){ $.fn.lightbox.end(); }).hide();
		$("#lightbox").click(function(){ $.fn.lightbox.end();}).hide();
		$("#loadinglink").click(function(){ $.fn.lightbox.end(); return false;});
		$("#bottomnavclose").click(function(){ $.fn.lightbox.end(); return false; });
		$('#outerimagecontainer').width(opts.widthcurrent).height(opts.heightcurrent);
		$('#imagedatacontainer').width(opts.widthcurrent);
	};

	$.fn.lightbox.getpagesize = function(){
		var xscroll, yscroll;

		if (window.innerheight && window.scrollmaxy) {
			xscroll = window.innerwidth + window.scrollmaxx;
			yscroll = window.innerheight + window.scrollmaxy;
		} else if (document.body.scrollheight > document.body.offsetheight){ // all but explorer mac
			xscroll = document.body.scrollwidth;
			yscroll = document.body.scrollheight;
		} else { // explorer mac...would also work in explorer 6 strict, mozilla and safari
			xscroll = document.body.offsetwidth;
			yscroll = document.body.offsetheight;
		}

		var windowwidth, windowheight;

		if (self.innerheight) { // all except explorer
			if(document.documentelement.clientwidth){
				windowwidth = document.documentelement.clientwidth;
			} else {
				windowwidth = self.innerwidth;
			}
			windowheight = self.innerheight;
		} else if (document.documentelement && document.documentelement.clientheight) { // explorer 6 strict mode
			windowwidth = document.documentelement.clientwidth;
			windowheight = document.documentelement.clientheight;
		} else if (document.body) { // other explorers
			windowwidth = document.body.clientwidth;
			windowheight = document.body.clientheight;
		}

		// for small pages with total height less then height of the viewport
		if(yscroll < windowheight){
			pageheight = windowheight;
		} else {
			pageheight = yscroll;
		}


		// for small pages with total width less then width of the viewport
		if(xscroll < windowwidth){
			pagewidth = xscroll;
		} else {
			pagewidth = windowwidth;
		}

		var arraypagesize = new array(pagewidth,pageheight,windowwidth,windowheight);
		return arraypagesize;
	};

	$.fn.lightbox.getpagescroll = function(){
		var xscroll, yscroll;

		if (self.pageyoffset) {
			yscroll = self.pageyoffset;
			xscroll = self.pagexoffset;
		} else if (document.documentelement && document.documentelement.scrolltop){  // explorer 6 strict
			yscroll = document.documentelement.scrolltop;
			xscroll = document.documentelement.scrollleft;
		} else if (document.body) {// all other explorers
			yscroll = document.body.scrolltop;
			xscroll = document.body.scrollleft;
		}

		var arraypagescroll = new array(xscroll,yscroll);
		return arraypagescroll;
	};

	$.fn.lightbox.pause = function(ms){
		var date = new date();
		var curdate = null;
		do{curdate = new date();}
		while( curdate - date < ms);
	};

	$.fn.lightbox.start = function(imagelink){

		$("select, embed, object").hide();
		var arraypagesize = $.fn.lightbox.getpagesize();
		$("#overlay").hide().css({width: '100%', height: arraypagesize[1]+'px', opacity : opts.overlayopacity}).fadein();
		opts.imagearray = [];
		imagenum = 0;

		var anchors = document.getelementsbytagname( imagelink.tagname);

		// if image is not part of a set..
		if(!imagelink.rel || (imagelink.rel == '')){
			// add single image to lightbox.imagearray
			opts.imagearray.push(new array(imagelink.href, opts.displaytitle ? imagelink.title : ''));
		} else {
		// if image is part of a set..
			$("a").each(function(){
				if(this.href && (this.rel == imagelink.rel)){
					opts.imagearray.push(new array(this.href, opts.displaytitle ? this.title : ''));
				}
			})


			for(i = 0; i < opts.imagearray.length; i++){
				for(j = opts.imagearray.length-1; j>i; j--){
					if(opts.imagearray[i][0] == opts.imagearray[j][0]){
						opts.imagearray.splice(j,1);
					}
				}
			}
			while(opts.imagearray[imagenum][0] != imagelink.href) { imagenum++;}
		}

		// calculate top and left offset for the lightbox
		var arraypagescroll = $.fn.lightbox.getpagescroll();
		var lightboxtop = arraypagescroll[1] + (arraypagesize[3] / 10);
		var lightboxleft = arraypagescroll[0];
		$('#lightbox').css({top: lightboxtop+'px', left: lightboxleft+'px'}).show();


		if (!opts.slidenavbar)
			$('#imagedata').hide();

		$.fn.lightbox.changeimage(imagenum);

	};

	$.fn.lightbox.changeimage = function(imagenum){
		if(opts.inprogress == false){
			opts.inprogress = true;
			opts.activeimage = imagenum;	// update global var

			// hide elements during transition
			$('#loading').show();
			$('#lightboximage').hide();
			$('#hovernav').hide();
			$('#prevlink').hide();
			$('#nextlink').hide();

			if (opts.slidenavbar) { // delay preloading image until navbar will slide up
				// $('#imagedatacontainer').slideup(opts.navbarslidespeed, $.fn.dochangeimage);
				$('#imagedatacontainer').hide();
				$('#imagedata').hide();
				$.fn.dochangeimage();
			} else {
			    $.fn.dochangeimage();
			}
		}
	};

	$.fn.dochangeimage = function(){

		imgpreloader = new image();

		// once image is preloaded, resize image container
		imgpreloader.onload=function(){
		    var newwidth = imgpreloader.width;
		    var newheight = imgpreloader.height;


			if (opts.fittoscreen) {
		        var arraypagesize = $.fn.lightbox.getpagesize();
				var ratio;
				var initialpagewidth = arraypagesize[2] - 2 * opts.bordersize;
				var initialpageheight = arraypagesize[3] - 200;

				if (imgpreloader.height > initialpageheight)
				{
					newwidth = parseint((initialpageheight/imgpreloader.height) * imgpreloader.width);
					newheight = initialpageheight;
				}
				else if (imgpreloader.width > initialpagewidth)
				{
					newheight = parseint((initialpagewidth/imgpreloader.width) * imgpreloader.height);
					newwidth = initialpagewidth;
				}
			}

			$('#lightboximage').attr('src', opts.imagearray[opts.activeimage][0])
							   .width(newwidth).height(newheight);
			$.fn.lightbox.resizeimagecontainer(newwidth, newheight);
		}

		imgpreloader.src = opts.imagearray[opts.activeimage][0];
	}
	
	$.fn.lightbox.end = function(){
		$.fn.lightbox.disablekeyboardnav();
		$('#lightbox').hide();
		$('#overlay').fadeout();
		$('select, object, embed').show();
	};

	$.fn.lightbox.preloadneighborimages = function(){
		if((opts.imagearray.length - 1) > opts.activeimage){
			preloadnextimage = new image();
			preloadnextimage.src = opts.imagearray[opts.activeimage + 1][0];
		}
		if(opts.activeimage > 0){
			preloadprevimage = new image();
			preloadprevimage.src = opts.imagearray[opts.activeimage - 1][0];
		}
	};

	$.fn.lightbox.keyboardaction = function(e){
		if (e == null) { // ie
			var keycode = event.keycode;
			var escapekey = 27;
		} else { // mozilla
			var keycode = e.keycode;
			var escapekey = e.dom_vk_escape;
		}

		var key = string.fromcharcode(keycode).tolowercase();

		if((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapekey)){ // close lightbox
			$.fn.lightbox.end();
		} else if((key == 'p') || (keycode == 37)){ // display previous image
			if(opts.activeimage != 0){
				$.fn.lightbox.disablekeyboardnav();
				$.fn.lightbox.changeimage(opts.activeimage - 1);
			}
		} else if((key == 'n') || (keycode == 39)){ // display next image
			if(opts.activeimage != (opts.imagearray.length - 1)){
				$.fn.lightbox.disablekeyboardnav();
				$.fn.lightbox.changeimage(opts.activeimage + 1);
			}
		}
	};

	$.fn.lightbox.resizeimagecontainer = function(imgwidth, imgheight){
		// get current width and height
		opts.widthcurrent = document.getelementbyid('outerimagecontainer').offsetwidth;
		opts.heightcurrent = document.getelementbyid('outerimagecontainer').offsetheight;

		// get new width and height
		var widthnew = (imgwidth  + (opts.bordersize * 2));
		var heightnew = (imgheight  + (opts.bordersize * 2));

		// scalars based on change from old to new
		opts.xscale = ( widthnew / opts.widthcurrent) * 100;
		opts.yscale = ( heightnew / opts.heightcurrent) * 100;

		// calculate size difference between new and old image, and resize if necessary
		wdiff = opts.widthcurrent - widthnew;
		hdiff = opts.heightcurrent - heightnew;

		$('#imagedatacontainer').animate({width: widthnew},opts.resizespeed,'linear');
		$('#outerimagecontainer').animate({width: widthnew},opts.resizespeed,'linear',function(){
			$('#outerimagecontainer').animate({height: heightnew},opts.resizespeed,'linear',function(){
				$.fn.lightbox.showimage();
			});
		});


		// if new and old image are same size and no scaling transition is necessary,
		// do a quick pause to prevent image flicker.
		if((hdiff == 0) && (wdiff == 0)){
			if (jquery.browser.msie){ $.fn.lightbox.pause(250); } else { $.fn.lightbox.pause(100);}
		}

		$('#prevlink').height(imgheight);
		$('#nextlink').height(imgheight);
	};

	$.fn.lightbox.showimage = function(){
		$('#loading').hide();
		$('#lightboximage').fadein("fast");
		$.fn.lightbox.updatedetails();
		$.fn.lightbox.preloadneighborimages();

		opts.inprogress = false;
	};

	$.fn.lightbox.updatedetails = function(){

		if(opts.imagearray[opts.activeimage][1]){
			$('#caption').html(opts.imagearray[opts.activeimage][1]).show();
		}

		// if image is part of set display 'image x of x'
		if(opts.imagearray.length > 1){
			var nav_html;

			nav_html = opts.strings.image + (opts.activeimage + 1) + opts.strings.of + opts.imagearray.length;

			// display previous / next text links
			if ((opts.activeimage) > 0) {
				nav_html = '<a title="' + opts.strings.prevlinktitle + '" href="#" id="prevlinktext">' + opts.strings.prevlinktext + "</a>" + nav_html;
			}

			if ((opts.activeimage + 1) < opts.imagearray.length) {
				nav_html += '<a title="' + opts.strings.nextlinktitle + '" href="#" id="nextlinktext">' + opts.strings.nextlinktext + "</a>";
			}

			$('#numberdisplay').html(nav_html).show();
		}

		if (opts.slidenavbar) {
		    $("#imagedata").slidedown(opts.navbarslidespeed);
		} else {
			$("#imagedata").show();
		}

		var arraypagesize = $.fn.lightbox.getpagesize();
		$('#overlay').height(arraypagesize[1]);
		$.fn.lightbox.updatenav();
	};

	$.fn.lightbox.updatenav = function(){
		$('#hovernav').show();

		// if not first image in set, display prev image button
		if(opts.activeimage != 0){
			$('#prevlink,#prevlinktext').show().click(function(){
				$.fn.lightbox.changeimage(opts.activeimage - 1); return false;
			});
		}

		// if not last image in set, display next image button
		if(opts.activeimage != (opts.imagearray.length - 1)){
			$('#nextlink,#nextlinktext').show().click(function(){

				$.fn.lightbox.changeimage(opts.activeimage +1); return false;
			});
		}

		$.fn.lightbox.enablekeyboardnav();
	};


	$.fn.lightbox.enablekeyboardnav = function(){
		document.onkeydown = $.fn.lightbox.keyboardaction;
	};

	$.fn.lightbox.disablekeyboardnav = function(){
		document.onkeydown = '';
	};

	$.fn.lightbox.defaults = {
		fileloadingimage : 'static/image/lightbox/loading.gif',
		filebottomnavcloseimage : 'static/image/lightbox/closelabel.gif',
		overlayopacity : 0.8,
		bordersize : 10,
		imagearray : new array,
		activeimage : null,
		inprogress : false,
		resizespeed : 350,
		widthcurrent: 250,
		heightcurrent: 250,
		xscale : 1,
		yscale : 1,
		displaytitle: true,
		navbarontop: false,
		slidenavbar: false, // slide nav bar up/down between image resizing transitions
		navbarslidespeed: 350,
		displayhelp: false,
		strings : {
			help: ' \u2190 / p - previous image\u00a0\u00a0\u00a0\u00a0\u2192 / n - next image\u00a0\u00a0\u00a0\u00a0esc / x - close image gallery',
			prevlinktitle:	'previous image',
			nextlinktitle:	'next image',
			prevlinktext:	'&laquo; previous',
			nextlinktext:	'next &raquo;',
			closetitle: 	'close image gallery',
			image:			'image ',
			of:				'of '
		},
		fittoscreen: false		// resize images if they are bigger than window
	};
})(jquery);

/*
 * ajax提交
 * */
(function($) {
	$.fn.ajaxsubmit = function(options) {
	    if (!this.length) {
	        log('ajaxsubmit: skipping submit process - no element selected');
	        return this;
	    }
	    if (typeof options == 'function')
	        options = { success: options };
	    options = $.extend({
	        url:  this.attr('action') || window.location.tostring(),
	        type: this.attr('method') || 'get'
	    }, options || {});
	    var veto = {};
	    this.trigger('form-pre-serialize', [this, options, veto]);
	    if (veto.veto) {
	        log('ajaxsubmit: submit vetoed via form-pre-serialize trigger');
	        return this;
	    }
	    if (options.beforeserialize && options.beforeserialize(this, options) === false) {
	        log('ajaxsubmit: submit aborted via beforeserialize callback');
	        return this;
	    }    
	   
	    var a = this.formtoarray(options.semantic);
	    if (options.data) {
	        options.extradata = options.data;
	        for (var n in options.data) {
	          if(options.data[n] instanceof array) {
	            for (var k in options.data[n])
	              a.push( { name: n, value: options.data[n][k] } )
	          }  
	          else
	             a.push( { name: n, value: options.data[n] } );
	        }
	    }
	    if (options.beforesubmit && options.beforesubmit(a, this, options) === false) {
	        log('ajaxsubmit: submit aborted via beforesubmit callback');
	        return this;
	    }    
	    this.trigger('form-submit-validate', [a, this, options, veto]);
	    if (veto.veto) {
	        log('ajaxsubmit: submit vetoed via form-submit-validate trigger');
	        return this;
	    }    
	    var q = $.param(a);
	
	    if (options.type.touppercase() == 'get') {
	        options.url += (options.url.indexof('?') >= 0 ? '&' : '?') + q;
	        options.data = null;  // data is null for 'get'
	    }
	    else
	        options.data = q; // data is the query string for 'post'
	
	    var $form = this, callbacks = [];
	    if (options.resetform) callbacks.push(function() { $form.resetform(); });
	    if (options.clearform) callbacks.push(function() { $form.clearform(); });
	    if (!options.datatype && options.target) {
	        var oldsuccess = options.success || function(){};
	        callbacks.push(function(data) {
	            $(options.target).html(data).each(oldsuccess, arguments);
	        });
	    }
	    else if (options.success)
	        callbacks.push(options.success);
	
	    options.success = function(data, status) {
	        for (var i=0, max=callbacks.length; i < max; i++)
	            callbacks[i].apply(options, [data, status, $form]);
	    };
	    var files = $('input:file', this).fieldvalue();
	    var found = false;
	    for (var j=0; j < files.length; j++)
	        if (files[j])
	            found = true;
	   if (options.iframe || found) { 
	       if ($.browser.safari && options.closekeepalive)
	           $.get(options.closekeepalive, fileupload);
	       else
	           fileupload();
	       }
	   else
	       $.ajax(options);
	    this.trigger('form-submit-notify', [this, options]);
	    return this;
	    function fileupload() {
	        var form = $form[0];
	        if ($(':input[name=submit]', form).length) {
	            alert('error: form elements must not be named "submit".');
	            return;
	        }
	        var opts = $.extend({}, $.ajaxsettings, options);
			var s = jquery.extend(true, {}, $.extend(true, {}, $.ajaxsettings), opts);
	        var id = 'jqformio' + (new date().gettime());
	        var $io = $('<iframe id="' + id + '" name="' + id + '" />');
	        var io = $io[0];
	        if ($.browser.msie || $.browser.opera) 
	            io.src = 'javascript:false;document.write("");';
	        $io.css({ position: 'absolute', top: '-1000px', left: '-1000px' });
	        var xhr = { // mock object
	            aborted: 0,
	            responsetext: null,
	            responsexml: null,
	            status: 0,
	            statustext: 'n/a',
	            getallresponseheaders: function() {},
	            getresponseheader: function() {},
	            setrequestheader: function() {},
	            abort: function() { 
	                this.aborted = 1; 
	                $io.attr('src','about:blank'); // abort op in progress
	            }
	        };
	        var g = opts.global;
	        if (g && ! $.active++) $.event.trigger("ajaxstart");
	        if (g) $.event.trigger("ajaxsend", [xhr, opts]);
			if (s.beforesend && s.beforesend(xhr, s) === false) {
				s.global && jquery.active--;
				return;
	        }
	        if (xhr.aborted)
	            return;
	        var cbinvoked = 0;
	        var timedout = 0;
	        var sub = form.clk;
	        if (sub) {
	            var n = sub.name;
	            if (n && !sub.disabled) {
	                options.extradata = options.extradata || {};
	                options.extradata[n] = sub.value;
	                if (sub.type == "image") {
	                    options.extradata[name+'.x'] = form.clk_x;
	                    options.extradata[name+'.y'] = form.clk_y;
	                }
	            }
	        }
	        settimeout(function() {
	            var t = $form.attr('target'), a = $form.attr('action');
	            $form.attr({
	                target:   id,
	                method:   'post',
	                action:   opts.url
	            });
	            if (! options.skipencodingoverride) {
	                $form.attr({
	                    encoding: 'multipart/form-data',
	                    enctype:  'multipart/form-data'
	                });
	            }
	            if (opts.timeout)
	                settimeout(function() { timedout = true; cb(); }, opts.timeout);
	            var extrainputs = [];
	            try {
	                if (options.extradata)
	                    for (var n in options.extradata)
	                        extrainputs.push(
	                            $('<input type="hidden" name="'+n+'" value="'+options.extradata[n]+'" />')
	                                .appendto(form)[0]);
	            
	                $io.appendto('body');
	                io.attachevent ? io.attachevent('onload', cb) : io.addeventlistener('load', cb, false);
	                form.submit();
	            }
	            finally {
	                $form.attr('action', a);
	                t ? $form.attr('target', t) : $form.removeattr('target');
	                $(extrainputs).remove();
	            }
	        }, 10);
	        function cb() {
	            if (cbinvoked++) return;
	            io.detachevent ? io.detachevent('onload', cb) : io.removeeventlistener('load', cb, false);
	            var operahack = 0;
	            var ok = true;
	            try {
	                if (timedout) throw 'timeout';
	                var data, doc;
	                doc = io.contentwindow ? io.contentwindow.document : io.contentdocument ? io.contentdocument : io.document;
	                if (doc.body == null && !operahack && $.browser.opera) {
	                    operahack = 1;
	                    cbinvoked--;
	                    settimeout(cb, 100);
	                    return;
	                }
	                xhr.responsetext = doc.body ? doc.body.innerhtml : null;
	                xhr.responsexml = doc.xmldocument ? doc.xmldocument : doc;
	                xhr.getresponseheader = function(header){
	                    var headers = {'content-type': opts.datatype};
	                    return headers[header];
	                };
	                if (opts.datatype == 'json' || opts.datatype == 'script') {
	                    var ta = doc.getelementsbytagname('textarea')[0];
	                    xhr.responsetext = ta ? ta.value : xhr.responsetext;
	                }
	                else if (opts.datatype == 'xml' && !xhr.responsexml && xhr.responsetext != null) {
	                    xhr.responsexml = toxml(xhr.responsetext);
	                }
	                data = $.httpdata(xhr, opts.datatype);
	            }
	            catch(e){
	                ok = false;
	                $.handleerror(opts, xhr, 'error', e);
	            }
	            if (ok) {
	                opts.success(data, 'success');
	                if (g) $.event.trigger("ajaxsuccess", [xhr, opts]);
	            }
	            if (g) $.event.trigger("ajaxcomplete", [xhr, opts]);
	            if (g && ! --$.active) $.event.trigger("ajaxstop");
	            if (opts.complete) opts.complete(xhr, ok ? 'success' : 'error');
	            settimeout(function() {
	                $io.remove();
	                xhr.responsexml = null;
	            }, 100);
	        };
	        function toxml(s, doc) {
	            if (window.activexobject) {
	                doc = new activexobject('microsoft.xmldom');
	                doc.async = 'false';
	                doc.loadxml(s);
	            }
	            else
	                doc = (new domparser()).parsefromstring(s, 'text/xml');
	            return (doc && doc.documentelement && doc.documentelement.tagname != 'parsererror') ? doc : null;
	        };
	    };
	};
	$.fn.ajaxform = function(options) {
	    return this.ajaxformunbind().bind('submit.form-plugin',function() {
	        $(this).ajaxsubmit(options);
	        return false;
	    }).each(function() {
	        // store options in hash
	        $(":submit,input:image", this).bind('click.form-plugin',function(e) {
	            var form = this.form;
	            form.clk = this;
	            if (this.type == 'image') {
	                if (e.offsetx != undefined) {
	                    form.clk_x = e.offsetx;
	                    form.clk_y = e.offsety;
	                } else if (typeof $.fn.offset == 'function') { // try to use dimensions plugin
	                    var offset = $(this).offset();
	                    form.clk_x = e.pagex - offset.left;
	                    form.clk_y = e.pagey - offset.top;
	                } else {
	                    form.clk_x = e.pagex - this.offsetleft;
	                    form.clk_y = e.pagey - this.offsettop;
	                }
	            }
	            // clear form vars
	            settimeout(function() { form.clk = form.clk_x = form.clk_y = null; }, 10);
	        });
	    });
	};
	// ajaxformunbind unbinds the event handlers that were bound by ajaxform
	$.fn.ajaxformunbind = function() {
	    this.unbind('submit.form-plugin');
	    return this.each(function() {
	        $(":submit,input:image", this).unbind('click.form-plugin');
	    });
	
	};
	$.fn.formtoarray = function(semantic) {
	    var a = [];
	    if (this.length == 0) return a;
	
	    var form = this[0];
	    var els = semantic ? form.getelementsbytagname('*') : form.elements;
	    if (!els) return a;
	    for(var i=0, max=els.length; i < max; i++) {
	        var el = els[i];
	        var n = el.name;
	        if (!n) continue;
	
	        if (semantic && form.clk && el.type == "image") {
	            // handle image inputs on the fly when semantic == true
	            if(!el.disabled && form.clk == el)
	                a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
	            continue;
	        }
	
	        var v = $.fieldvalue(el, true);
	        if (v && v.constructor == array) {
	            for(var j=0, jmax=v.length; j < jmax; j++)
	                a.push({name: n, value: v[j]});
	        }
	        else if (v !== null && typeof v != 'undefined')
	            a.push({name: n, value: v});
	    }
	
	    if (!semantic && form.clk) {
	        // input type=='image' are not found in elements array! handle them here
	        var inputs = form.getelementsbytagname("input");
	        for(var i=0, max=inputs.length; i < max; i++) {
	            var input = inputs[i];
	            var n = input.name;
	            if(n && !input.disabled && input.type == "image" && form.clk == input)
	                a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
	        }
	    }
	    return a;
	};
	$.fn.formserialize = function(semantic) {
	    //hand off to jquery.param for proper encoding
	    return $.param(this.formtoarray(semantic));
	};
	$.fn.fieldserialize = function(successful) {
	    var a = [];
	    this.each(function() {
	        var n = this.name;
	        if (!n) return;
	        var v = $.fieldvalue(this, successful);
	        if (v && v.constructor == array) {
	            for (var i=0,max=v.length; i < max; i++)
	                a.push({name: n, value: v[i]});
	        }
	        else if (v !== null && typeof v != 'undefined')
	            a.push({name: this.name, value: v});
	    });
	    //hand off to jquery.param for proper encoding
	    return $.param(a);
	};
	$.fn.fieldvalue = function(successful) {
	    for (var val=[], i=0, max=this.length; i < max; i++) {
	        var el = this[i];
	        var v = $.fieldvalue(el, successful);
	        if (v === null || typeof v == 'undefined' || (v.constructor == array && !v.length))
	            continue;
	        v.constructor == array ? $.merge(val, v) : val.push(v);
	    }
	    return val;
	};
	$.fieldvalue = function(el, successful) {
	    var n = el.name, t = el.type, tag = el.tagname.tolowercase();
	    if (typeof successful == 'undefined') successful = true;
	
	    if (successful && (!n || el.disabled || t == 'reset' || t == 'button' ||
	        (t == 'checkbox' || t == 'radio') && !el.checked ||
	        (t == 'submit' || t == 'image') && el.form && el.form.clk != el ||
	        tag == 'select' && el.selectedindex == -1))
	            return null;
	
	    if (tag == 'select') {
	        var index = el.selectedindex;
	        if (index < 0) return null;
	        var a = [], ops = el.options;
	        var one = (t == 'select-one');
	        var max = (one ? index+1 : ops.length);
	        for(var i=(one ? index : 0); i < max; i++) {
	            var op = ops[i];
	            if (op.selected) {
	                // extra pain for ie...
	                var v = $.browser.msie && !(op.attributes['value'].specified) ? op.text : op.value;
	                if (one) return v;
	                a.push(v);
	            }
	        }
	        return a;
	    }
	    return el.value;
	};
	$.fn.clearform = function() {
	    return this.each(function() {
	        $('input,select,textarea', this).clearfields();
	    });
	};
	$.fn.clearfields = $.fn.clearinputs = function() {
	    return this.each(function() {
	        var t = this.type, tag = this.tagname.tolowercase();
	        if (t == 'text' || t == 'password' || tag == 'textarea')
	            this.value = '';
	        else if (t == 'checkbox' || t == 'radio')
	            this.checked = false;
	        else if (tag == 'select')
	            this.selectedindex = -1;
	    });
	};
	$.fn.resetform = function() {
	    return this.each(function() {
	        // guard against an input with the name of 'reset'
	        // note that ie reports the reset function as an 'object'
	        if (typeof this.reset == 'function' || (typeof this.reset == 'object' && !this.reset.nodetype))
	            this.reset();
	    });
	};
	$.fn.enable = function(b) { 
	    if (b == undefined) b = true;
	    return this.each(function() { 
	        this.disabled = !b 
	    });
	};
	$.fn.selected = function(select) {
	    if (select == undefined) select = true;
	    return this.each(function() { 
	        var t = this.type;
	        if (t == 'checkbox' || t == 'radio')
	            this.checked = select;
	        else if (this.tagname.tolowercase() == 'option') {
	            var $sel = $(this).parent('select');
	            if (select && $sel[0] && $sel[0].type == 'select-one') {
	                // deselect all other options
	                $sel.find('option').selected(false);
	            }
	            this.selected = select;
	        }
	    });
	};
	function log() {
	    if ($.fn.ajaxsubmit.debug && window.console && window.console.log)
	        window.console.log('[jquery.form] ' + array.prototype.join.call(arguments,''));
	};
})(jquery);

/*
 * 导航下拉菜单api
 * */
var ddsmoothmenu={
	transition: {overtime:200, outtime:200}, //duration of slide in/ out animation, in milliseconds
	//下拉菜单阴影
	shadow: {enable:false, offsetx:0, offsety:0},
	detectwebkit: navigator.useragent.tolowercase().indexof("applewebkit")!=-1, //detect webkit browsers (safari, chrome etc)
	detectie6: document.all && !window.xmlhttprequest,
	getajaxmenu:function($, setting){ //function to fetch external page containing the panel divs
		var $menucontainer=$('#'+setting.contentsource[0]) //reference empty div on page that will hold menu
		$menucontainer.html("loading menu...")
		$.ajax({
			url: setting.contentsource[1], //path to external menu file
			async: true,
			error:function(ajaxrequest){
				$menucontainer.html('error fetching content. server response: '+ajaxrequest.responsetext)
			},
			success:function(content){
				$menucontainer.html(content)
				ddsmoothmenu.buildmenu($, setting)
			}
		})
	},
	buildmenu:function($, setting){
		var smoothmenu=ddsmoothmenu
		var $mainmenu=$("#"+setting.mainmenuid+">ul") //reference main menu ul
		$mainmenu.parent().get(0).classname=setting.classname || "ddsmoothmenu"
		var $headers=$mainmenu.find("ul").parent()
		$headers.hover(
			function(e){
				$(this).children('a:eq(0)').addclass('selected')
			},
			function(e){
				$(this).children('a:eq(0)').removeclass('selected')
			}
		)
		$headers.each(function(i){ //loop through each li header
			var $curobj=$(this).css({zindex: 100-i}) //reference current li header
			var $subul=$(this).find('ul:eq(0)').css({display:'block'})
			this._dimensions={w:this.offsetwidth, h:this.offsetheight, subulw:$subul.outerwidth(), subulh:$subul.outerheight()}
			this.istopheader=$curobj.parents("ul").length==1? true : false //is top level header?
			$subul.css({top:this.istopheader && setting.orientation!='v'? this._dimensions.h+"px" : 0})
	//		$curobj.children("a:eq(0)").css(this.istopheader? {paddingright: smoothmenu.arrowimages.down[2]} : {}).append( //add arrow images
	//			'<img src="'+ (this.istopheader && setting.orientation!='v'? smoothmenu.arrowimages.down[1] : smoothmenu.arrowimages.right[1])
	//			+'" class="' + (this.istopheader && setting.orientation!='v'? smoothmenu.arrowimages.down[0] : smoothmenu.arrowimages.right[0])
	//			+ '" style="border:0;" />'
	//		)
			if (smoothmenu.shadow.enable){
				this._shadowoffset={x:(this.istopheader?$subul.offset().left+smoothmenu.shadow.offsetx : this._dimensions.w), y:(this.istopheader? $subul.offset().top+smoothmenu.shadow.offsety : $curobj.position().top)} //store this shadow's offsets
				if (this.istopheader)
					$parentshadow=$(document.body)
				else{
					var $parentli=$curobj.parents("li:eq(0)")
					$parentshadow=$parentli.get(0).$shadow
				}
				this.$shadow=$('<div class="ddshadow'+(this.istopheader? ' toplevelshadow' : '')+'"></div>').prependto($parentshadow).css({left:this._shadowoffset.x+'px', top:this._shadowoffset.y+'px'})  //insert shadow div and set it to parent node for the next shadow div
			}
			$curobj.hover(
				function(e){
					var $targetul=$(this).children("ul:eq(0)")
					this._offsets={left:$(this).offset().left, top:$(this).offset().top}
					var menuleft=this.istopheader && setting.orientation!='v'? 0 : this._dimensions.w
					menuleft=(this._offsets.left+menuleft+this._dimensions.subulw>$(window).width())? (this.istopheader && setting.orientation!='v'? -this._dimensions.subulw+this._dimensions.w : -this._dimensions.w) : menuleft //calculate this sub menu's offsets from its parent
					if ($targetul.queue().length<=1){ //if 1 or less queued animations
						$targetul.css({left:menuleft+"px", width:this._dimensions.subulw+'px'}).animate({height:'show',opacity:'show'}, ddsmoothmenu.transition.overtime)
						if (smoothmenu.shadow.enable){
							var shadowleft=this.istopheader? $targetul.offset().left+ddsmoothmenu.shadow.offsetx : menuleft
							var shadowtop=this.istopheader?$targetul.offset().top+smoothmenu.shadow.offsety : this._shadowoffset.y
							if (!this.istopheader && ddsmoothmenu.detectwebkit){ //in webkit browsers, restore shadow's opacity to full
								this.$shadow.css({opacity:1})
							}
							this.$shadow.css({overflow:'', width:this._dimensions.subulw+'px', left:shadowleft+'px', top:shadowtop+'px'}).animate({height:this._dimensions.subulh+'px'}, ddsmoothmenu.transition.overtime)
						}
					}
				},
				function(e){
					var $targetul=$(this).children("ul:eq(0)")
					$targetul.animate({height:'hide', opacity:'hide'}, ddsmoothmenu.transition.outtime)
					if (smoothmenu.shadow.enable){
						if (ddsmoothmenu.detectwebkit){ //in webkit browsers, set first child shadow's opacity to 0, as "overflow:hidden" doesn't work in them
							this.$shadow.children('div:eq(0)').css({opacity:0})
						}
						this.$shadow.css({overflow:'hidden'}).animate({height:0}, ddsmoothmenu.transition.outtime)
					}
				}
			) //end hover
		}) //end $headers.each()
		$mainmenu.find("ul").css({display:'none', visibility:'visible'})
	},
	init:function(setting){
		if (typeof setting.customtheme=="object" && setting.customtheme.length==2){ //override default menu colors (default/hover) with custom set?
			var mainmenuid='#'+setting.mainmenuid
			var mainselector=(setting.orientation=="v")? mainmenuid : mainmenuid+', '+mainmenuid
			document.write('<style type="text/css">\n'
				+mainselector+' ul li a {background:'+setting.customtheme[0]+';}\n'
				+mainmenuid+' ul li a:hover {background:'+setting.customtheme[1]+';}\n'
			+'</style>')
		}
		this.shadow.enable=(document.all && !window.xmlhttprequest)? false : this.shadow.enable //in ie6, always disable shadow
		jquery(document).ready(function($){ //ajax menu?
			if (typeof setting.contentsource=="object"){ //if external ajax menu
				ddsmoothmenu.getajaxmenu($, setting)
			}
			else{ //else if markup menu
				ddsmoothmenu.buildmenu($, setting)
			}
		})
	}
} //end ddsmoothmenu variable