//首页焦点图
function SubShowClass(ID,eventType,defaultID,openClassName,closeClassName){this.parentObj=SubShowClass.ID(ID);if(this.parentObj==null){throw new Error("SubShowClass(ID)参数错误:ID 对像存在!")};if(!SubShowClass.childs){SubShowClass.childs=[]};this.ID=SubShowClass.childs.length;SubShowClass.childs.push(this);this.lock=false;this.label=[];this.defaultID=defaultID==null?0:defaultID;this.selectedIndex=this.defaultID;this.openClassName=openClassName==null?"selected":openClassName;this.closeClassName=closeClassName==null?"":closeClassName;this.mouseIn=false;var mouseInFunc=Function("SubShowClass.childs["+this.ID+"].mouseIn = true"),mouseOutFunc=Function("SubShowClass.childs["+this.ID+"].mouseIn = false");if(this.parentObj.attachEvent){this.parentObj.attachEvent("onmouseover",mouseInFunc)}else{this.parentObj.addEventListener("mouseover",mouseInFunc,false)};if(this.parentObj.attachEvent){this.parentObj.attachEvent("onmouseout",mouseOutFunc)}else{this.parentObj.addEventListener("mouseout",mouseOutFunc,false)};if(typeof(eventType)!="string"){eventType="onmousedown"};eventType=eventType.toLowerCase();switch(eventType){case"onmouseover":this.eventType="mouseover";break;case"onmouseout":this.eventType="mouseout";break;case"onclick":this.eventType="click";break;case"onmouseup":this.eventType="mouseup";break;default:this.eventType="mousedown"};this.addLabel=function(labelID,contID,parentBg,springEvent,blurEvent){if(SubShowClass.ID(labelID)==null){throw new Error("addLabel(labelID)参数错误:labelID 对像存在!")};var TempID=this.label.length;if(parentBg==""){parentBg=null};this.label.push([labelID,contID,parentBg,springEvent,blurEvent]);var tempFunc=Function('SubShowClass.childs['+this.ID+'].select('+TempID+')');if(SubShowClass.ID(labelID).attachEvent){SubShowClass.ID(labelID).attachEvent("on"+this.eventType,tempFunc)}else{SubShowClass.ID(labelID).addEventListener(this.eventType,tempFunc,false)};if(TempID==this.defaultID){SubShowClass.ID(labelID).className=this.openClassName;if(SubShowClass.ID(contID)){var thisimg2=$("#"+contID+"").children("img");if(thisimg2.attr("src")!=thisimg2.attr("src2")){$(".n_fload").show();thisimg2.attr("src",thisimg2.attr("src2"));thisimg2.load(function(){$(".n_fload").fadeOut(1000)}).error(function(){$(".n_fload").show()})}SubShowClass.ID(contID).style.display=""};if(parentBg!=null){this.parentObj.style.background=parentBg};if(springEvent!=null){eval(springEvent)}}else{SubShowClass.ID(labelID).className=this.closeClassName;if(SubShowClass.ID(contID)){SubShowClass.ID(contID).style.display="none"}};if(SubShowClass.ID(contID)){if(SubShowClass.ID(contID).attachEvent){SubShowClass.ID(contID).attachEvent("onmouseover",mouseInFunc)}else{SubShowClass.ID(contID).addEventListener("mouseover",mouseInFunc,false)};if(SubShowClass.ID(contID).attachEvent){SubShowClass.ID(contID).attachEvent("onmouseout",mouseOutFunc)}else{SubShowClass.ID(contID).addEventListener("mouseout",mouseOutFunc,false)}}};this.select=function(num,force){if(typeof(num)!="number"){throw new Error("select(num)参数错误:num 不是 number 类型!")};if(force!=true&&this.selectedIndex==num){return};var i;for(i=0;i<this.label.length;i++){if(i==num){SubShowClass.ID(this.label[i][0]).className=this.openClassName;if(SubShowClass.ID(this.label[i][1])){var thisimg=$("#"+this.label[i][1]+"").children("img");if(thisimg.attr("src")!=thisimg.attr("src2")){$(".n_fload").show();thisimg.attr("src",thisimg.attr("src2"));thisimg.load(function(){$(".n_fload").fadeOut(1000)}).error(function(){$(".n_fload").show()})}SubShowClass.ID(this.label[i][1]).style.display=""};if(this.label[i][2]!=null){this.parentObj.style.background=this.label[i][2]};if(this.label[i][3]!=null){eval(this.label[i][3])}}else if(this.selectedIndex==i||force==true){SubShowClass.ID(this.label[i][0]).className=this.closeClassName;if(SubShowClass.ID(this.label[i][1])){SubShowClass.ID(this.label[i][1]).style.display="none"};if(this.label[i][4]!=null){eval(this.label[i][4])}}};this.selectedIndex=num};this.autoPlay=false;var autoPlayTimeObj=null;this.spaceTime=5000;this.play=function(spTime){if(typeof(spTime)=="number"){this.spaceTime=spTime};clearInterval(autoPlayTimeObj);autoPlayTimeObj=setInterval("SubShowClass.childs["+this.ID+"].nextLabel()",this.spaceTime);this.autoPlay=true};this.nextLabel=function(){if(this.autoPlay==false||this.mouseIn==true){return};var index=this.selectedIndex;index++;if(index>=this.label.length){index=0};this.select(index)};this.stop=function(){clearInterval(autoPlayTimeObj);this.autoPlay=false}};SubShowClass.ID=function(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}}

var nfp = new SubShowClass("fpb","onmouseover",0,"hover","");
for(var i=0;i<4;i++){nfp.addLabel('fpt'+i,'fpc'+i,"","","");}
$(".n_fload").fadeOut(2000);
nfp.play(5000);

//延时加载
$(function(){
    function changesrc(){
    	$(".n_focus img").each(function(){
    		$(this).attr("src",$(this).attr("src2"));
    		})
    	}
        setTimeout(changesrc,5000);
})