function Na(){
		this.shwNaNa={//图片焦点轮显
				boxWidth:750,boxHeight:350,imgSrc:"",imgLink:"",imgTitle:"",btnWidth:135,btnHeight:63,btnBoxRight:10,btnBoxBottom:20,btnFontSize:12,btnBgColor:"#fff",btnMouseOverBgColor:"url(images/navigator-over.png)",btnFontColor:"#666",btnMouseOverFontColor:"#fff",$:function(id){return document.getElementById(id)},
				//参数分割使用@
				start:function(){
						if(this.imgSrc==""){alert('请设置图片参数！');return;};
						if(isNaN(this.boxWidth)||isNaN(this.boxHeight)||isNaN(this.btnWidth)||isNaN(this.btnHeight)||isNaN(this.btnBoxRight)||isNaN(this.btnBoxBottom)||isNaN(this.btnFontSize)){alert('宽度大小类参数设置错误，请设置纯数字！');return;}
						document.write("<div id=\"naBOX\" style=\"position:absolute;border:#efefef 1px solid;width:"+(this.boxWidth-135)+"px;padding-left:135px; height:"+this.boxHeight+"px;overflow:hidden;\"><div id=\"jt\" style=\"position:absolute;z-index:999999;\"></div><div id=\"naPicBox\"></div><div id=\"naTitle\"></div><div id=\"naLinka\" style=\" position:absolute;width:"+this.btnWidth+"px;  right:"+this.btnBoxRight+"px; bottom:"+this.btnBoxBottom+"px;\"></div></div>");
						var objImgBox=this.$("naPicBox");
						var objTitle=this.$("naTitle");
						var objLink=this.$("naLinka");
						var allImgs=this.imgSrc.split("@");
						var allLinks=objLink.getElementsByTagName("a");
						var imgLinks=this.imgLink.split("@");
						var jt=this.$("jt");
						var parentObj=this;
						jt.innerHTML="<img src=\"images/arrow-bg.png\" />";
						var titles=new Array("宜心产品体验馆","2011给力圣诞","会员礼品卡","我们包邮啦","我们的新品");
						//根据图片数量初始化按钮
						for(var i=0;i<allImgs.length;i++){
								objLink.innerHTML+="<a style='float:left; font-family:Arial, Helvetica, sans-serif;font-size:"+this.btnFontSize+"px;background-color:"+this.btnBgColor+"; color:"+this.btnFontColor+";text-decoration:none;width:"+this.btnWidth+"px;height:"+this.btnHeight+"px; text-align:center;line-height:"+this.btnHeight+"px;border-top:1px #efefef solid;' href='javascript:void(0)'>"+titles[i]+"</a>";	
							}
						var gc=null;
						var sPo=null;
						var gi=0;
						var imgsIndex=0;
						changeImg();rColorBtn(0);
						gc=setInterval(changeImg,6000);
						function rColorBtn(id){
								jt.style.top=(22+(id*64))+"px";
								var a=objLink.getElementsByTagName("a");
								for(var i=0;i<a.length;i++){
										a[i].style.backgroundImage="";
										a[i].style.backgroundColor=parentObj.btnBgColor;
										a[i].style.color=parentObj.btnFontColor;
									}
								try{a[id].style.backgroundImage=parentObj.btnMouseOverBgColor;}catch(e){}
								a[id].style.color=parentObj.btnMouseOverFontColor;
							}
						function getIndex(str){
								for(var i=0;i<titles.length;i++){
										if(titles[i]==str)return (i+1);
									}
								return 0;	
							}	
						function changeImg(){
								if(imgsIndex==allImgs.length)imgsIndex=0;
								rColorBtn(imgsIndex);
								sImg(imgsIndex);
								imgsIndex++;
								for(var i=0;i<allLinks.length;i++){
										allLinks[i].onmouseover=function(){
											imgsIndex=parseInt(getIndex(this.innerHTML));
											sImg(parseInt(getIndex(this.innerHTML))-1);
											clearInterval(gc);	
											rColorBtn(parseInt(getIndex(this.innerHTML))-1);
											}
										allLinks[i].onmouseout=function(){gc=setInterval(changeImg,6000)}	
									}
							}
						function sImg(id){
								if(sPo!=null)try{clearInterval(sPo)}catch(e){};
								//此处可添加图片预加载的程序来处理图片下载慢时显示相关提示，有需要的时候现加吧，从使用上讲这程序主要是用在局部小图，若使用全屏大图的时候需要添置功能以提高用户体验,shwNaNa20101104不想写这个。
								if(id<imgLinks.length&&imgLinks.length>0&&imgLinks[0]!=""){
									objImgBox.innerHTML="<a href='"+imgLinks[id]+"' target='_blank'><img style='border:none;' src='"+allImgs[id]+"' /></a>";	}else{objImgBox.innerHTML="<img style='border:none;' src='"+allImgs[id]+"' />";	}	
								sPo=setInterval(gPo,30);		
							}
						function gPo(){
								gi=gi+5;
								if(gi==100){gi=10;clearInterval(sPo);sPo=null;
									}else{
										objImgBox.style.filter="alpha(opacity="+gi+");";
    									objImgBox.style.opacity=gi/100;
									}								
							}	
					}
			}
			this.shw={//图片横向滚动
			Id:0,Imgs:"",Links:"",aTarget:"_blank",bgColor:"#ffffff",Width:0,Height:0,imgWidth:"auto",imgHeight:"auto",moveSpeed:0,imgTitles:"",showTitle:false,titleClassName:"sTitle",$:function(id){return document.getElementById(id);},
			startMove:function(){
						if(this.Id==0||this.Width==0||this.Height==0){alert("请检查参数是否设置完全！");return "";}
						if(this.showTitle)this.Height+=25;
						document.write("<div style=\"float:left;overflow:hidden;width:"+this.Width+"px;height:"+this.Height+"px;overflow:hidden;\" id=\""+this.Id+"\"><div style=\"float:left;width:800%;\"><div style=\"float:left;\" id=\"NaNaTemp\"></div><div style=\"float:left;\"  id=\"NaNaTemp2\"></div></div></div>");
						var imgs=this.Imgs.split("@");
						for(var i=0;i<imgs.length;i++){
								this.$("NaNaTemp2").innerHTML+="<div style=\"overflow:hidden;\"><a href=\"#\"><img style=\"width:"+this.imgWidth+"px;height:"+this.imgHeight+"px\" src=\""+imgs[i]+"\" /></a></div>";
							}
						var links=this.Links.split("@");	
						var fCount=(imgs.length>links.length)?links.length:imgs.length;	
						for(var i=0;i<fCount;i++){
								var o=this.$("NaNaTemp2").getElementsByTagName("a");
								o[i].href=links[i];
								o[i].target=this.aTarget;
							}
						if(this.showTitle&&this.imgTitles!=""){
								var t=this.imgTitles.split("@");
								var o=this.$("NaNaTemp2").getElementsByTagName("div");
								for(var i=0;i<t.length;i++){try{
										o[i].style.width=o[i].getElementsByTagName("img")[0].clientWidth-1+"px";
										o[i].innerHTML+="<span class=\""+this.titleClassName+"\" ><a target="+this.aTarget+" href=\""+links[i]+"\" style=\"height:25px;line-height:25px\">"+t[i]+"</a></span>";
								}catch(e){}

									}	
							}	
						var d1=this.$(this.Id);
						var d2=this.$("NaNaTemp");
						var d3=this.$("NaNaTemp2");
						var speed=this.moveSpeed;
						function moves(){
								d2.innerHTML=d3.innerHTML;
								if(d3.offsetWidth-d1.scrollLeft<=0){
									d1.scrollLeft=d1.scrollLeft-d2.offsetWidth;
									}
								else{
									d1.scrollLeft=d1.scrollLeft+1;	
								}
							}
						var MyMar=setInterval(moves,speed);
						d1.onmouseover=function() {clearInterval(MyMar)};
						d1.onmouseout=function() {MyMar=setInterval(moves,speed)};	
					
				}
		//---------------------		
		}
		this.shwAjax={//返回异步请求的ajax数据 ,示列：shwAjax.returnAjax(function(date){alert('数据是"+date+"')},url,type);
				returnAjax:function()//dateFunction,url,type
				{
					var len=arguments.length;
					if(len!=3){alert("参数不完整！");return "";}
					var dateF=arguments[0];
					var url=arguments[1];
					var type=arguments[2];
					var xmlHttp=window.ActiveXObject?new ActiveXObject("Msxml2.XMLHTTP"):new XMLHttpRequest();
					if(xmlHttp){
							xmlHttp.open(type,url,true);
							xmlHttp.onreadystatechange=function(){
								if(xmlHttp.readyState==4){
										try{dateF(xmlHttp.responseText);}catch(e){alert("返回函数不正确！");}
									}
								}
							xmlHttp.setRequestHeader("If-Modified-Since","0"); 
							xmlHttp.send(null);
						}
				}
			}
	}