/* ==== slider nameSpace ==== */
var slider = function() {
	/* ==== private methods ==== */
	function getElementsByClass(object, tag, className) {
		var o = object.getElementsByTagName(tag);
		for ( var i = 0, n = o.length, ret = []; i < n; i++) {
			if (o[i].className == className) ret.push(o[i]);
		}
		if (ret.length == 1) ret = ret[0];
		return ret;
	}
	function setOpacity (obj,o) {
		if (obj.filters) obj.filters.alpha.opacity = Math.round(o);
		else obj.style.opacity = o / 100;
	}
	/* ==== Slider Constructor ==== */
	function Slider(oCont, speed, iW, iH, oP) {
		this.slides = [];
		this.over   = false;
		this.S      = this.S0 = speed;
		this.iW     = iW;
		this.iH     = iH;
		this.oP     = oP;
		this.oc     = document.getElementById(oCont);
		this.frm    = getElementsByClass(this.oc, 'div', 'slide');
		this.NF     = this.frm.length;
		this.resize();
		for (var i = 0; i < this.NF; i++) {
			this.slides[i] = new Slide(this, i);
		}
		this.oc.parent = this;
		this.view      = this.slides[0];
		this.Z         = this.mx;
		/* ==== on mouse out event ==== */
		this.oc.onmouseout = function () {
			this.parent.mouseout();
			return false;
		}
	}
	Slider.prototype = {
		/* ==== animation loop ==== */
		run : function () {
			this.Z += this.over ? (this.mn - this.Z) * .5 : (this.mx - this.Z) * .5;
			this.view.calc();
			var i = this.NF;
			while (i--) this.slides[i].move();
		},
		/* ==== resize  ==== */
		resize : function () {
			this.wh = this.oc.clientWidth;
			this.ht = this.oc.clientHeight;
			this.wr = this.wh * this.iW;
			this.r  = this.ht / this.wr;
			this.mx = this.wh / this.NF;
			this.mn = (this.wh * (1 - this.iW)) / (this.NF - 1);
		},
		/* ==== rest  ==== */
		mouseout : function () {
			this.over      = false;
			setOpacity(this.view.img, this.oP);
		}
	}
	/* ==== Slide Constructor ==== */
	Slide = function (parent, N) {
		this.parent = parent;
		this.N      = N;
		this.x0     = this.x1 = N * parent.mx;
		this.v      = 0;
		this.loaded = false;
		this.cpt    = 0;
		this.start  = new Date();
		this.obj    = parent.frm[N];
		this.txt    = getElementsByClass(this.obj, 'div', 'text');
		this.img    = getElementsByClass(this.obj, 'img', 'diapo');
		this.bkg    = document.createElement('div');
		this.bkg.className = 'backgroundText';
		this.obj.insertBefore(this.bkg, this.txt);
		if (N == 0) this.obj.style.borderLeft = 'none';
		this.obj.style.left = Math.floor(this.x0) + 'px';
		setOpacity(this.img, parent.oP);
		/* ==== mouse events ==== */
		this.obj.parent = this;
		this.obj.onmouseover = function() {
			this.parent.over();
			return false;
		}
	}
	Slide.prototype = {
		/* ==== target positions ==== */
		calc : function() {
			var that = this.parent;
			// left slides
			for (var i = 0; i <= this.N; i++) {
				that.slides[i].x1 = i * that.Z;
			}
			// right slides
			for (var i = this.N + 1; i < that.NF; i++) {
				that.slides[i].x1 = that.wh - (that.NF - i) * that.Z;
			}
		},
		/* ==== HTML animation : move slides ==== */
		move : function() {
			var that = this.parent;
			var s = (this.x1 - this.x0) / that.S;
			/* ==== lateral slide ==== */
			if (this.N && Math.abs(s) > .5) {
				this.obj.style.left = Math.floor(this.x0 += s) + 'px';
			}
			/* ==== vertical text ==== */
			var v = (this.N < that.NF - 1) ? that.slides[this.N + 1].x0 - this.x0 : that.wh - this.x0;
			if (Math.abs(v - this.v) > .5) {
				this.bkg.style.top = this.txt.style.top = Math.floor(2 + that.ht - (v - that.Z) * that.iH * that.r) + 'px';
				this.v = v;
				this.cpt++;
			} else {
				if (!this.pro) {
					/* ==== adjust speed ==== */
					this.pro = true;
					var tps = new Date() - this.start;
					if(this.cpt > 1) {
						that.S = Math.max(2, (28 / (tps / this.cpt)) * that.S0);
					}
				}
			}
			if (!this.loaded) {
				if (this.img.complete) {
					this.img.style.visibility = 'visible';
					this.loaded = true;
				}
			}
		},
		/* ==== light ==== */
		over : function () {
			this.parent.resize();
			this.parent.over = true;
			setOpacity(this.parent.view.img, this.parent.oP);
			this.parent.view = this;
			this.start = new Date();
			this.cpt = 0;
			this.pro = false;
			this.calc();
			setOpacity(this.img, 100);
		}
	}
	/* ==== public method - script initialization ==== */
	return {
		init : function() {
			// create instances of sliders here
			// parameters : HTMLcontainer name, speed (2 fast - 20 slow), Horizontal ratio, vertical text ratio, opacity
			this.s1 = new Slider("slider1", 12, 1.84/3, 1/3.2, 70);
			setInterval("slider.s1.run();", 16);
		}
	}
}();


function setCookie(name,value)
{
    var Days = 30;
    var exp  = new Date();    //new Date("December 31, 9998");
        exp.setTime(exp.getTime() + Days*24*60*60*1000);
        document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}
function getCookie(name)
{
    var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");
        if(arr=document.cookie.match(reg)) return unescape(arr[2]);
        else return null;
}
function delCookie(name)
{
    var exp = new Date();
        exp.setTime(exp.getTime() - 1);
    var cval=getCookie(name);
        if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}

 
function ImgSize(ImgD,FitWidth,FitHeight,ShowFont,ImgStyle,FitSize){
var image = new Image();
image.src = ImgD.src;
if(image.width>0 && image.height>0){
	if(FitWidth!=null && FitHeight!=null){ //Ex:ImgSize(this,120,120)
         if(image.width/image.height>=FitWidth/FitHeight){
             if(image.width>FitWidth){
               ImgD.width = FitWidth;
               ImgD.height = (image.height*FitWidth)/image.width;
             }else{
               ImgD.width = image.width;
               ImgD.height = image.height;
             }
         }else{
             if(image.height>FitHeight){
               ImgD.height = FitHeight;
               ImgD.width = (image.width*FitHeight)/image.height;
             }else{
               ImgD.width = image.width;
               ImgD.height = image.height;
             }
         }
	}else{
		 if(FitWidth==null && FitHeight!=null){ //Ex:ImgSize(this,null,120)
			 ImgD.height = FitHeight;
		 }else if(FitWidth!=null && FitHeight==null){ //Ex:ImgSize(this,120,null)
			 ImgD.width = FitWidth;
		 }else if(FitWidth==null && FitHeight==null){ //Ex:ImgSize(this,null,null,'',0,120)
			 if(image.width/image.height<1){
			 	if(image.width>FitSize){ImgD.width = FitSize;
			 	}else{ImgD.width = image.width;}
			 }else{
			 	if(image.height>FitSize){ImgD.height = FitSize;
			 	}else{ImgD.height = image.height;}
			 }
		 }
	}
    if(ShowFont) ImgD.alt = ShowFont; //Ex:ImgSize(this,120,120,'显示')
    if(ImgStyle){ //Ex:ImgSize(this,120,120,'',1)
       ImgD.alt = "图片规格：" + image.width + "×" + image.height;
       ImgD.onclick = function(){window.open(this.src);}
       ImgD.style.cursor = "pointer";
	}
}
}

  function locking()
  {   
    
      document.all.ly.style.display="block";   
      document.all.ly.style.width=document.body.clientWidth;   
      document.all.ly.style.height=document.body.clientHeight;   
      document.all.Layer2.style.display='block';   
  }   
  
  function Lock_CheckForm(theForm)
  {   
    document.all.ly.style.display='none';
    document.all.Layer2.style.display='none';
    return false;   
  }   
  
  function productlinkcopy(id) {
    var clipBoardContent="http://jp2000.com/customer/product.aspx?ID=" + id; //定义变量内容 
    window.clipboardData.setData("Text",clipBoardContent); //赋值 
    }

function ddlChange(obj)
{
    document.getElementById(obj.Id).value = this.value;
}
//---------------------------------------------

					function Mea(value){
						n=value;
						plays(value);
						}
						
					function plays(value){
						try
						{
							with (fc)
							{
								filters[0].Apply();
								for(i=0;i<number;i++)i==value?children[i].style.display="block":children[i].style.display="none"; 
								filters[0].play(); 
							}
						}
						catch(e)
						{
							var divlist = document.getElementById("fc").getElementsByTagName("div");
							for(i=0;i<number;i++)
							{
								i==value?divlist[i].style.display="block":divlist[i].style.display="none";
							}
						}
					}
					
					function clearAuto(){clearInterval(autoStart)}
					
					function setAuto(){autoStart=setInterval("auto(n)", 3000)}
					
					function auto(){
						n++;
						if(n>number-1)n=0;
						Mea(n);
					} 
					
					function sub(){
						n--;
						if(n<0)n=number-1;
						Mea(n);
					}