function load_nav(s)
{
	var onav=$('#nav li a');
	var CurPage=s;
	$('#nav li a').each(function(){
		var t=$(this);
		
		if(CurPage==t.attr('t'))
		{
			t.addClass('hover');
		}
		
	});
}

//获取页面可见区域宽度、高度（不包含边框）
function fnGetDocumentClient()
{
    return {width:top.document.documentElement.clientWidth||top.document.body.clientWidth,height:top.document.documentElement.clientHeight||top.document.body.clientHeight}
}
//获取页面正文区域宽度、高度
function fnGetDocumentScroll()
{
    return {width:top.document.documentElement.scrollWidth||top.document.body.scrollWidth,height:top.document.documentElement.scrollHeight||top.document.body.scrollHeight}
}

(function(){
	y=window._={
		onload:function(b){var c=window.onload;window.onload=typeof window.onload!="function"?b:function(){c();b()}},
		scroll:function(o)
		{
			o=o||document.documentElement;
			return {w:o.scrollWidth,h:o.scrollHeight}
		},
		client:function(o)
		{
			o=o||document.documentElement;
			return {w:o.clientWidth,h:o.clientHeight}
		},
		init:function(e,b,d){b=b||{};d=d||{};for(var c in d)e[c]=b[c]||b[c]==0?b[c]:d[c]}
	};
})()
String.prototype.trim = function() { return this.replace(/(^\s*)|(\s*$)/g, "") };
String.prototype.format1 = function() { for (var a = arguments.length, b = this; a; ) b = b.replace(RegExp("\\{" + --a + "\\}", "g"), arguments[a]); return b };
String.prototype.format = function() { var args = arguments; return this.replace(/\{(\d+)\}/g, function(m, i) { return args[i]; }); };
String.prototype.trimStart = function(a) { a || (a = "\\s+"); return this.replace(RegExp("^(" + a + ")+", "g"), "") };
String.prototype.trimEnd = function(a) { a || (a = "\\s+"); return this.replace(RegExp("(" + a + ")+$", "g"), "") };

var floatFrame=function(pJso)
{
	_.init(this,pJso,{
			src:"",//框架路径
			param:"",//参数
			width:0,//框架宽度
			height:0,//框架高度
			title:'提示信息',
			fnClose:this.hide//关闭时触发的函数
			});
	this.fullDiv=top.document.getElementById("cFunllDiv")||top.document.createElement("div");
	this.frameDiv=top.document.getElementById("cFrameDiv")||top.document.createElement("div");
	this.frame=null;
	this.frameName='cFrame';
	
	this.set();
}

floatFrame.prototype=
{
	set:function(){
		
	    this.frame=top.frames[this.frameName];
		
		if(!this.frame)
		{
		    this.fullDiv.style.cssText="position:absolute;top:0px;left:0px;display:none;background-color:#000;filter:alpha(opacity=10);-moz-opacity:0.1;opacity: 0.1;";
		    this.frameDiv.style.cssText="position:absolute;display:none;background-color:#fff;";
			
		    this.frameDiv.innerHTML=
			'<div id="div_cFrame" style="">'
				+'<div style="border:#cad9e6 10px solid; border-top:0px;">'
					+'<div id="float01-title" style="overflow:hidden; height:25px; background-color:#cad9e6; color:#003;">'
						
					+'</div>'
					+'<div style="padding:5px;">'
						+'<iframe id="cFrame" name="cFrame" scrolling="no" frameborder="0"></iframe>'
					+'</div>'
				+'</div>'
			+'<div>';
 
			this.fullDiv.setAttribute("id","cFunllDiv");
			top.document.body.appendChild(this.fullDiv);
			this.frameDiv.setAttribute("id","cFrameDiv");
			top.document.body.appendChild(this.frameDiv);
		    this.frame=top.frames[this.frameName];
		}
	},
	hide:function()
	{
		this.fullDiv.style.display="none";
		this.frameDiv.style.display="none";
		top.document.getElementById(this.frameName).src="";
	},
	show:function()
	{
		
		top.document.getElementById('float01-title').innerHTML=
			'<div height="30" id="title-tab" style="padding:5px">'+
				'<div style="float:right; width:100px; text-align:right"><span style="color:#333; text-align:right"></span><a href="javascript:void(0)" id="cClose" title=""><img src="js/close.gif"></a></div>'+
				'<div style="float:left"><span style="font-weight:bold;" id="floatTitle">'+this.title+'</span></div>'+
			'</div>';
		
		top.document.getElementById("cClose").onclick=function(o){return function(){o.fnClose()}}(this);
		
		var iClientWidth=fnGetDocumentClient().width;
		var iClientHeight=fnGetDocumentClient().height;
		
		var iScrollWidth=fnGetDocumentScroll().width;
		var iScrollHeight=fnGetDocumentScroll().height;
		
		var iFullDivWidth=iScrollWidth;
		var iFullDivHeight=iScrollHeight>iClientHeight?iScrollHeight:iClientHeight
		
		with(this.fullDiv.style)
		{
			width=iFullDivWidth+"px"
			height=iFullDivHeight+"px";
			display="";
		}
		
		var iTop=(iClientHeight-this.height)*(1-0.818);
		var iLeft=(iClientWidth-this.width)*0.5;
		iTop=iTop>0?iTop:0;
		iLeft=iLeft>0?iLeft:0;
		var f=top.document.getElementById(this.frameName);
		var ttt=this;
		top.document.onkeydown=document.onkeydown=function(e)
		{
		    e=e||top.event||event;
		    if(e.keyCode==27)
	            ttt.hide(); 
		}
		
		if(this.frameDiv["attachEvent"])//ie
		{
		    f.onreadystatechange=function()
		    {
		        if(f.readyState === "complete")
	            {
	                ttt.frame.document.onkeydown=function()
	                {
	                    if(ttt.frame.event.keyCode==27)
	                        ttt.hide();
	                }
	            }
		    }
		}
		else
		{
		    f.onload=function()
		    {
                ttt.frame.document.onkeydown=function(e)
                {
                    if(e.keyCode==27)
                        ttt.hide();
                }
		    }
		}
		//alert(f)
		//alert(this.src+"?"+this.param)
		var u=this.src+"?"+this.param;
		//$(f).attr('src',u);
		f.src=u;
		
		/*f.width=this.width+"px";
		f.height=this.height+"px";
		*/
		with(this.frameDiv.style)
		{
			display="block";
		}
	}
}

var FloatFrame=function(){};
FloatFrame.autoLocal=function()
{
	var cFrame=top.document.getElementById('cFrame');
	var cFloatDiv=top.document.getElementById('cFrameDiv');
	var div_cFrame=top.document.getElementById('div_cFrame');
	
	cFrame.style.width="1px";
	cFrame.style.heght="1px";
	
	var cur=_.scroll();
	with(cFrame.style)
	{
		width=cur.w+'px';
		height=cur.h+'px';
	}

	var cli=_.client(top.document.documentElement);
	var iTop=(cli.h-cur.h)/2+(top.document.documentElement.scrollTop||top.document.body.scrollTop);
	
	var iLeft=(cli.w-cur.w)/2;
	iTop=iTop>0?iTop:0;
	iLeft=iLeft>0?iLeft:0;
	
	with(cFloatDiv.style)
	{
		top=iTop+"px";
		left=iLeft+"px";
	}
	
	var cur=_.scroll();
	with(cFrame.style)
	{
		width=cur.w+'px';
		height=cur.h+'px';
	}
	
	with(div_cFrame.style)
	{
		width=(cur.w+30)+'px';
	}
};

var off;
$(function(){
	off=new floatFrame({title:'',src:''});	
});

function alertFloat(url)
{
	off.src=url;
	off.show();
}

function alertUserLogin()
{
	alertFloat('user_login.asp');
}

function alertUserReg()
{
	alertFloat('user_reg.asp');
}

function alertFeedBack(id)
{
	off.src='ajax/feedback.asp';
	off.param='id='+id;
	off.show();
}

function userExit()
{
	$.ajax({
		url:'ajax/user_exit.asp',
		type:'get',
		success:function(data){load_webbar();}
	});
}

function addCart(id)
{
	off.src='ajax/add_cart.asp';
	off.param='id='+id
	off.show();
}

function cartOrder()
{
	alertFloat('ajax/cartorder.asp');
}

function getCartCount()
{
	$.ajax({url:'ajax/get_cartcount.asp',type:'get',success:function(data){$('#cartCount').html(data);}});
}

function load_webbar()
{
	$.ajax({url:'ajax/web-bar.asp',type:'get',success:function(data){$('#web_bar').html(data);}});
}

function countdown(sec_i,lastEvent,objName)
{
	function run()
	{
		sec_i--;
		if(sec_i<1){
			if(lastEvent()!='noclose')
			{
				top.off.hide();
			}
		}else{
			document.getElementById(objName).innerHTML=sec_i;
			setTimeout(run,1000);
		}
	}
	
	setTimeout(run,1000);
}

function piczoom()
{
	 $(function(){
	  //$("img.jqzoom").jqueryzoom();
	  $("img.jqzoom").jqueryzoom({
	  xzoom: 300,		//zooming div default width(default width value is 200)
	  yzoom: 300,		//zooming div default width(default height value is 200)
	  offset: 40,		//zooming div default offset(default offset value is 10)
	  position: "right"  //zooming div position(default position value is "right")
	  });
	  });
}

function ajax_action(jso)
{
	var ptext='ptext';
	
	if(jso.flushName)
	{
		ptext=jso.flushName;
	}
	
	var t=$(this);
	jso.param.r=Math.random();
	$.ajax({
		url:jso.url,
		type:jso.type,
		data:jso.param,
		success:function(data){
			$('#'+ptext).html(data);
		},
		error:function(data){
			alert('error:'+data.responseText);
		}
	});
}

function loadevent(jso)
{
	if(typeof(jso.click)=="undefined")
		click='click';
	else
		click=jso.click;
	
	$('a[t='+jso.param.actionAjax+'],input[t='+jso.param.actionAjax+']')[click](function(){
		var t=$(this);
		
		if(typeof(jso.event)!='undefined')
		{
			if(!jso.event(jso,t))//执行验证
			{
				return;	
			}
		}
		
		var url=jso.url;
		
		jso.param.id=t.attr('tid');
		
		ajax_action({url:url,type:jso.type,param:jso.param,flushName:jso.flushName});
	});
}

function loadclick_cartdel(jso)
{
	loadevent({url:jso.url,type:'post',param:{actionAjax:'del'},event:function(){return confirm('确定删除？\n删除后不可恢复。')}});
}

function loadchange_cartnum(jso)
{
	loadevent({url:jso.url,click:'change',type:'post',param:{actionAjax:'num'},event:function(j,o){
		var v=o.val().trim();
		if(v.length==0 || isNaN(v))
		{
			alert('排序值必须是数字或小数');
			return false;
		}
		j.param['num']=v;
		return true;
	}});
}


//----------------------------------------
(function(){
	y=window._={
		get:function(b,c){c=c||document;if(typeof b==="string")b=c.getElementById(b);return b},
		init:function(e,b,d){b=b||{};d=d||{};for(var c in d)e[c]=b[c]||b[c]==0?b[c]:d[c]},
		scroll:function(o)
		{
			o=o||document.documentElement;
			return {w:o.scrollWidth,h:o.scrollHeight}
		},
		client:function(o)
		{
			o=o||document.documentElement;
			return {w:o.clientWidth,h:o.clientHeight}
		}
	};
})();

/*p1的图片垂直居中，等比例缩放*/
jQuery.fn.loadthumb = function(options) {
    options = $.extend({
		 _img:'',
		 maxW:100,
		 maxH:100,
		 model:3
    },options);
	
	var src=options._img.attr('src');
	var par=options._img.parent();
	
    var _self = this;
    _self.hide();
    var img = new Image();
    $(img).load(function(){
        imgDem = {};
        imgDem.w  = img.width;
        imgDem.h  = img.height;
        imgDem = $.imgResize({"w": options.maxW ,"h": options.maxH},{"w":imgDem.w,"h":imgDem.h});
        var imgMargins = $.imgCenter({"w": par.width() ,"h": par.height()},{"w":imgDem.w,"h":imgDem.h});
        //options._img.css({width:imgDem.w,height:imgDem.h,marginLeft:imgMargins.l,marginTop:imgMargins.t});
		if(options.model==1 || options.model==3)
			options._img.css({width:imgDem.w,height:imgDem.h});
		if(options.model==2 || options.model==3)
			options._img.css({marginTop:imgMargins.t});//marginLeft:imgMargins.l,
        _self.attr("src", src);
        _self.fadeIn("slow");
    }).attr("src", src);  //.atte("src",options.src)要放在load后面，
    return _self;
}
//重置图片宽度，高度插件 ( parentDem是父元素，imgDem是图片 )
jQuery.imgResize = function(parentDem,imgDem){
    if(imgDem.w>0 && imgDem.h>0){
        var rate = (parentDem.w/imgDem.w < parentDem.h/imgDem.h)?parentDem.w/imgDem.w:parentDem.h/imgDem.h;
        //如果 指定高度/图片高度  小于  指定宽度/图片宽度 ，  那么，我们的比例数 取 指定高度/图片高度。
        //如果 指定高度/图片高度  大于  指定宽度/图片宽度 ，  那么，我们的比例数 取 指定宽度/图片宽度。
        if(rate <= 1){   
            imgDem.w = imgDem.w*rate; //图片新的宽度 = 宽度 * 比例数
            imgDem.h = imgDem.h*rate;
        }else{//  如果比例数大于1，则新的宽度等于以前的宽度。
            imgDem.w = imgDem.w;
            imgDem.h = imgDem.h;
        }
    }
    return imgDem;
}
//使图片在父元素内水平，垂直居中，( parentDem是父元素，imgDem是图片 )
jQuery.imgCenter = function(parentDem,imgDem){
    var left = (parentDem.w - imgDem.w)*0.5;
    var top = (parentDem.h - imgDem.h)*0.5;
    return { "l": left , "t": top};
}


/*图片横向滚动 可点击左右滚动，如精品推荐*/
jQuery.fn.imageScroller = function(params){
	
 var p = params || {
  next:"buttonNext",
  prev:"buttonPrev",
  frame:"viewerFrame",
  width:100,
  pm:10,
  child:"a",
  auto:true
 }; 
 var _btnNext = $("#"+ p.next);
 var _btnPrev = $("#"+ p.prev);
 var _imgFrame = $("#"+ p.frame);
 var _width = p.width;
 
 var _child = p.child;
 var _auto = p.auto;
 var _itv;

 _width=_imgFrame.find(_child+":first").width()+p.pm;
 
 var turnLeft = function(){
	
  _btnPrev.unbind("click",turnLeft);
  if(_auto) autoStop();
  
  _imgFrame.animate( {marginLeft:-_width}, 'slow', '', function(){
   _imgFrame.find(_child+":first").appendTo( _imgFrame );
   _imgFrame.css("marginLeft",0);
   _btnPrev.bind("click",turnLeft);
   if(_auto) autoPlay();
  });
 };
 
 var turnRight = function(){
  _btnNext.unbind("click",turnRight);
  if(_auto) autoStop();
  _imgFrame.find(_child+":last").clone().show().prependTo( _imgFrame );
  _imgFrame.css("marginLeft",-_width);
  _imgFrame.animate( {marginLeft:0}, 'slow' ,'', function(){
   _imgFrame.find(_child+":last").remove();
   _btnNext.bind("click",turnRight);
   if(_auto) autoPlay(); 
  });
 };
 
 _btnNext.css("cursor","pointer").click( turnRight );
 _btnPrev.css("cursor","pointer").click( turnLeft );
 
 var autoPlay = function(){
   _itv = window.setInterval(turnLeft, 5000);
 };
 var autoStop = function(){
  window.clearInterval(_itv);
 };
 if(_auto) autoPlay();
};

/*垂直滚动，如：快速导航滚动*/
(function($) {
    $.fn.extend({
    Scroll: function(opt, callback) {
            var sc = new RunScroll({ name: this.attr('id'), line: opt.line, column: opt.column, speed: opt.speed, timer: opt.timer, action:opt.action });
            sc.Run();
        }
    })
})(jQuery);

var __ScrollTimeID={};

function RunScroll(pJso)
{
    _.init(this,pJso,{
			line:1,
			column:1,
			speed:800,
			timer:5000,
			name:'',
			action:'Top'
		});
	
	if(!this.name)
	{
		//alert('Unspecified tagID [name].')
	}
	this.jq=$('#'+this.name);
}

RunScroll.prototype =
{
    Run: function() {

        var _this = this.jq.eq(0); //.find("ul:first");
        var lineH;
        var line;

        if (this.action == 'Top' || this.action == 'Bottom') {
            lineH = _this.find("li:first").height(); //获取行高
            line = this.line ? parseInt(this.line, 10) : parseInt(this.jq.height() / lineH, 10);
        } else {
            lineH = _this.find("li:first").width(); //获取行高
            line = this.line ? parseInt(this.line, 10) : parseInt(this.jq.width() / lineH, 10);
        }

        var speed = this.speed ? parseInt(this.speed, 10) : 500; //卷动速度，数值越大，速度越慢（毫秒）
        var timer = this.timer ? parseInt(this.timer, 10) : 3000; //滚动的时间间隔（毫秒）
        var lineColumn = this.column ? parseInt(this.column, 10) : 1; //每行显示几列

        if (line == 0) line = 1;
        var upHeight = -line * lineH / lineColumn;

        var animateAction;
        var animateAction1;
        switch (this.action) {
            case 'Top':
                animateAction = { marginTop: upHeight };
                animateAction1 = { marginTop: 0 };
                break;

            case 'Bottom':
                animateAction = { marginBottom: upHeight };
                animateAction1 = { marginBottom: 0 };
                break;

            case 'Left':
                animateAction = { marginLeft: upHeight };
                animateAction1 = { marginLeft: 0 };
                break;

            case 'Right':
                animateAction = { marginRight: upHeight };
                animateAction1 = { marginRight: 0 };
                break;
        }

        var scrollUp = function() {

            _this.animate(animateAction, speed, function() {
                for (i = 1; i <= line; i++) {
                    _this.find("li:first").appendTo(_this);
                }
                _this.css(animateAction1);
            });
        }

        //鼠标事件绑定
        _this.hover(function() {
            clearInterval(this.timeID);
        }, function() {
            this.timeID = setInterval(scrollUp, timer);
        }).mouseout();

    }
}
/*end 垂直滚动，如：快速导航滚动*/
$(function(){
	load_webbar();
	
	//精品推荐
	$("#viewer").imageScroller({
		next:"next",
		prev:"prev",
		frame:"viewerFrame",
		pm:parseInt($('#viewerFrame').attr('pm')), //间距
		child:"li",
		auto:true//是否自动播放
	});
	
	//垂直居中,等比缩放
	$(function(){
		$('img[t=p1]').each(function(){
			var t=$(this);
			t.loadthumb({
				'_img':t,
				'maxW':t.width(),
				'maxH':t.height(),
				model:3//1:等比缩放 2:垂直居中 3:所有功能
			});
		});
	})
	
	//快速导航
	$("ul[f=scroll1]").Scroll({ line: 1, column: 1, speed: 800, timer: 2000 });
	$("ul[f=scroll2]").Scroll({ line: 5, column: 5, speed: 800, timer: 2000 });
})

/*banner图片切换*/
var timer = null;
var offset = 2500;
var index = -1;
//大图交替轮换
function slideImage(i){
    var id = 'image_'+ target[i];
    $('#'+ id)
        .animate({opacity: 1}, 800, function(){
            $(this).find('.word').animate({height: 'show'}, 'slow');
        }).show()
        .siblings(':visible')
        .find('.word').animate({height: 'hide'},'fast',function(){
            $(this).parent().animate({opacity: 0}, 800).hide();
        });
}
//bind thumb a
function hookThumb(){    
    $('#thumbs li a')
        .bind('click', function(){
            if (timer) {
                clearTimeout(timer);
            }                
            var id = this.id;            
            index = getIndex(id.substr(6));
            rechange(index);
            slideImage(index); 
            timer = window.setTimeout(auto, offset);  
            this.blur();            
            return false;
        });
}
//bind next/prev img
function hookBtn(){
    $('#thumbs li img').filter('#play_prev,#play_next')
        .bind('click', function(){
            if (timer){
                clearTimeout(timer);
            }
            var id = this.id;
            if (id == 'play_prev') {
                index--;
                if (index < 0) index = 3;
            }else{
                index++;
                if (index > 3) index = 0;
            }
            rechange(index);
            slideImage(index);
            timer = window.setTimeout(auto, offset);
        });
}
//get index
function getIndex(v){
    for(var i=0; i < target.length; i++){
        if (target[i] == v) return i;
    }
}
function rechange(loop){
    var id = 'thumb_'+ target[loop];
    $('#thumbs li a.current').removeClass('current');
    $('#'+ id).addClass('current');
}
function auto(){
    index++;
    if (index > 3){
        index = 0;
    }
    rechange(index);
    slideImage(index);
    timer = window.setTimeout(auto, offset);
}
$(function(){   
 try{
    //change opacity
    $('div.word').css({opacity: 0.85});
    auto();  
    hookThumb(); 
    hookBtn();
 }catch(e){}
    
});
/*end banner图片切换*/

<!--tab切换-->

   	$(function(){
		$(".products .productstit").click(function(){
			$(this).addClass("proclick").siblings().removeClass("proclick");
			$(".product .productsnr").css({"display":"none"});
			$(".product .productsnr").eq($(this).index()).css({"display":"block"});
			if($(this).index()==0){
					$(".products .productsmore a").attr("href","products-list.asp?h=1");
				}
			else{
				$(".products .productsmore a").attr("href","products-list.asp?t=1");
				}
			})
		})

 <!--tab切换结束-->