function show(j) {
	for (i=1;i<5;i++) {	
		document.getElementById('show_sw'+i).style.display = 'none';
		document.getElementById('ico'+i).className="ico_arrow";
		document.getElementById('sw'+i).style.color="green";
		document.getElementById('sw'+i).style.fontWeight="normal";		
	}
	document.getElementById('show_sw'+j).style.display = 'inline';
	document.getElementById('ico'+j).className="ico_arrow_open";
	document.getElementById('sw'+j).style.color="#f30";		
	document.getElementById('sw'+j).style.fontWeight='bold';	
}



<!--
//图片滚动列表 mengjia 070927
// JavaScript Document

var Speed_1 = 10; //速度(毫秒)
var Space_1 = 20; //每次移动(px)
var PageWidth_1 = 175 * 3; //翻页宽度
var interval_1 = 7000; //翻页间隔
var fill_1 = 0; //整体移位
var MoveLock_1 = false;
var MoveTimeObj_1;
var MoveWay_1="right";
var Comp_1 = 0;
var AutoPlayObj_1=null;
function GetObj(objName){
	if(document.getElementById){
		return eval('document.getElementById("'+objName+'")')
		}
	else{
		return eval('document.all.'+objName)
	}
}

function AutoPlay_1(){
	clearInterval(AutoPlayObj_1);
	AutoPlayObj_1=setInterval('ISL_GoDown_1();ISL_StopDown_1();',interval_1)
}
	
function ISL_GoUp_1(){
	if(MoveLock_1)return;clearInterval(AutoPlayObj_1);
	MoveLock_1=true;
	MoveWay_1="left";
	MoveTimeObj_1=setInterval('ISL_ScrUp_1();',Speed_1);
}

function ISL_StopUp_1(){
	if(MoveWay_1 == "right"){return};
	clearInterval(MoveTimeObj_1);
	if((GetObj('ISL_Cont_1').scrollLeft-fill_1)%PageWidth_1!=0){
		Comp_1=fill_1-(GetObj('ISL_Cont_1').scrollLeft%PageWidth_1);
		CompScr_1()}
	else{
		MoveLock_1=false
	}
	AutoPlay_1()
}


function ISL_ScrUp_1(){
	if(GetObj('ISL_Cont_1').scrollLeft<=0){
		GetObj('ISL_Cont_1').scrollLeft=GetObj('ISL_Cont_1').scrollLeft+GetObj('List1_1').offsetWidth
		}
	GetObj('ISL_Cont_1').scrollLeft-=Space_1
}

function ISL_GoDown_1(){
	clearInterval(MoveTimeObj_1);
	if(MoveLock_1)return;clearInterval(AutoPlayObj_1);
	MoveLock_1=true;
	MoveWay_1="right";
	ISL_ScrDown_1();
	MoveTimeObj_1=setInterval('ISL_ScrDown_1()',Speed_1)
}

function ISL_StopDown_1(){
	if(MoveWay_1 == "left"){return};
	clearInterval(MoveTimeObj_1);
	if(GetObj('ISL_Cont_1').scrollLeft%PageWidth_1-(fill_1>=0?fill_1:fill_1+1)!=0){Comp_1=PageWidth_1-GetObj('ISL_Cont_1').scrollLeft%PageWidth_1+fill_1;CompScr_1()}
	else{
		MoveLock_1=false
	}
	AutoPlay_1()
}

function ISL_ScrDown_1(){
	if(GetObj('ISL_Cont_1').scrollLeft>=GetObj('List1_1').scrollWidth){
		GetObj('ISL_Cont_1').scrollLeft=GetObj('ISL_Cont_1').scrollLeft-GetObj('List1_1').scrollWidth
	}
	GetObj('ISL_Cont_1').scrollLeft+=Space_1
}

function CompScr_1(){
	if(Comp_1==0){MoveLock_1=false;return}
	var num,TempSpeed=Speed_1,TempSpace=Space_1;
	if(Math.abs(Comp_1)<PageWidth_1/2){
		TempSpace=Math.round(Math.abs(Comp_1/Space_1));
		if(TempSpace<1){TempSpace=1}
	}	
		if(Comp_1<0){if(Comp_1<-TempSpace){
			Comp_1+=TempSpace;num=TempSpace}
		else{
			num=-Comp_1;Comp_1=0
		}
	
	GetObj('ISL_Cont_1').scrollLeft-=num;setTimeout('CompScr_1()',TempSpeed)
	}
	else{
		if(Comp_1>TempSpace){
			Comp_1-=TempSpace;num=TempSpace
			}
		else{
			num=Comp_1;Comp_1=0
		}
	GetObj('ISL_Cont_1').scrollLeft+=num;setTimeout('CompScr_1()',TempSpeed)
	}
}

function picrun_ini(){
	GetObj("List2_1").innerHTML=GetObj("List1_1").innerHTML;
	GetObj('ISL_Cont_1').scrollLeft=fill_1>=0?fill_1:GetObj('List1_1').scrollWidth-Math.abs(fill_1);
	GetObj("ISL_Cont_1").onmouseover=function(){clearInterval(AutoPlayObj_1)}
	GetObj("ISL_Cont_1").onmouseout=function(){AutoPlay_1()}
	AutoPlay_1();
}
//产品展示滚动图片结束
//-->