<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->

function chg_leftmenu(id) {
	obj=document.getElementById(id);
}

//关于我们 菜单图片交换 
function aboutus_introswitch(o1,o2,o3,o4)
{

		document.getElementById("aboutus_intro1").style.display="none";
		document.getElementById("aboutus_intro2").style.display="none";
		document.getElementById("aboutus_intro3").style.display="none";
		document.getElementById("aboutus_intro4").style.display="none";

		if (o1==1)
		{
			document.getElementById("aboutus_intro1").style.display="block";
		}

		if (o2==1)
		{
			document.getElementById("aboutus_intro2").style.display="block";
		}

		if (o3==1)
		{
			document.getElementById("aboutus_intro3").style.display="block";
		}

		if (o4==1)
		{
			document.getElementById("aboutus_intro4").style.display="block";
		}

}

function QueryString(item){ 
    var svalue = location.search.match(new RegExp("[\?\&]" + item + "=([^\&]*)(\&?)","i")); 
    return svalue ? svalue[1] : svalue; 
} 
function noticeDisplay()
{
    var notice = QueryString("infotype");
    if(notice !=null)
    {
        if(notice == "%e5%85%ac%e5%91%8a%e6%a0%8f")
        {
            var infodiv = document.getElementById("infodiv");
            var img = document.getElementById("imgswitch");
            //var img1 = document.getElementById("imglinkinfo");
            //var alink = document.getElementById("alinkinfo");
            infodiv.style.display = "none";
            img.src = "/dvm/images/left_notice.gif";
           // img1.style.display = "none";
           // alink.style.display = "none";
            
        }
    }
}
function switchLeftDisplay()
{
    var strQuery = QueryString("type");
    if(strQuery !=null)
    {
        if(strQuery == "1")
        {
            var img = document.getElementById("imgSwitch");
            img.src = "/dvm/images/left_sitemap.gif";         
        }
        if(strQuery == "2")
        {
            var img = document.getElementById("imgSwitch");
            img.src = "/dvm/images/left_contactus.gif";         
        }
        if(strQuery == "3")
        {
            var img = document.getElementById("imgSwitch");
            img.src = "/dvm/images/left_privacy.gif";         
        }
        if(strQuery == "4")
        {
            var img = document.getElementById("imgSwitch");
            img.src = "/dvm/images/left_legal.gif";         
        }
    }
}

function product_numberswitch(no1,no2,no3,no4)
{

		document.getElementById("product_number1").style.display="none";
		document.getElementById("product_number2").style.display="none";
		document.getElementById("product_number3").style.display="none";
		document.getElementById("product_number4").style.display="none";

		if (no1==1)
		{
			document.getElementById("product_number1").style.display="block";
		}

		if (no2==1)
		{
			document.getElementById("product_number2").style.display="block";
		}

		if (no3==1)
		{
			document.getElementById("product_number3").style.display="block";
		}

		if (no4==1)
		{
			document.getElementById("product_number4").style.display="block";
		}

}


function product_menuswitch(menu1,menu2,menu3,menu4,menu5)
{

		document.getElementById("product_menu1").style.display="none";
		document.getElementById("product_menu2").style.display="none";
		document.getElementById("product_menu3").style.display="none";
		document.getElementById("product_menu4").style.display="none";
		document.getElementById("product_menu5").style.display="none";

		if (menu1==1)
		{
			document.getElementById("product_menu1").style.display="block";
		}

		if (menu2==1)
		{
			document.getElementById("product_menu2").style.display="block";
		}

		if (menu3==1)
		{
			document.getElementById("product_menu3").style.display="block";
		}

		if (menu4==1)
		{
			document.getElementById("product_menu4").style.display="block";
		}
		
		if (menu5==1)
		{
			document.getElementById("product_menu5").style.display="block";
		}

}