<!--
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];}
}
//-->

//首页新闻
function MouseOverNews(star,end,n)
{  
	for( var i=star;i<=end;i++)
	{
		if(n==i)
		{
			document.getElementById("changeNews"+i).className='news_on';
			document.getElementById("NewsContent"+i).style.display="block";
		}
		else
		{
			document.getElementById("changeNews"+i).className='news_off';
			document.getElementById("NewsContent"+i).style.display="none";
		}
	}
}  
//首页新闻

//显示跟隐藏
function showsub(sid)
{
	if (document.getElementById("submenu"+sid).style.display == "none")
	{
		document.getElementById("submenu"+sid).style.display = "block";
		document.getElementById("pic"+sid).src="/images/open.gif";
	}
	else
	{
		document.getElementById("submenu"+sid).style.display = "none";
		document.getElementById("pic"+sid).src="/images/close.gif";
	}
}

//分页快速跳转
function FP_jumpMenu(el,frm,sel) {//v1.0
 var href=el.options[el.selectedIndex].value; if(sel) el.selectedIndex=0;
 if('_new'==frm) open(href); else eval(frm+".location='"+href+"'");
}

//改变新闻字体大小
function doZoom(size){
 document.getElementById("zoom").style.fontSize=size+"px";
}

function $() {return document.getElementById(arguments[0]);}	//兼容FF浏览器 
//加入收藏
function AddFavorite(sURL, sTitle)
{
	try
	{
		window.external.addFavorite(sURL, sTitle);
	}
	catch (e)
	{
		try
		{
		   window.sidebar.addPanel(sTitle, sURL, "");
		}
		catch (e)
		{
		   alert("加入收藏失败，请使用Ctrl+D进行添加");
		}
	}
}

//设为主页
function SetHome(obj,vrl)
{
	try
	{
	   obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
	}
	catch(e)
	{
	   if(window.netscape) 
	   {
		 try {
		  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
		 } 
		 catch (e) { 
		  alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'"); 
		 }
		 var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
		 prefs.setCharPref('browser.startup.homepage',vrl);
		}
	}
}

//图片按比例缩放,可输入参数设定初始大小
function resizeimg(ImgD,iwidth,iheight) {
     var image=new Image();
     image.src=ImgD.src;
     if(image.width>0 && image.height>0)
	 {
        if(image.width/image.height>= iwidth/iheight)
		{
           if(image.width>iwidth){
               ImgD.width=iwidth;
               ImgD.height=(image.height*iwidth)/image.width;
           }else{
                  ImgD.width=image.width;
                  ImgD.height=image.height;
                }
               //ImgD.alt="宽×高:"+image.width+"×"+image.height;
        }
        else
		{
                if(image.height>iheight){
                       ImgD.height=iheight;
                       ImgD.width=(image.width*iheight)/image.height;
                }else{
                        ImgD.width=image.width;
                        ImgD.height=image.height;
                     }
                //ImgD.alt="宽×高:"+image.width+"×"+image.height;
         }
    }
}

//图片按比例缩放,可输入参数设定初始大小 


//显示隐藏产品二级菜单
function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

//产品图片
function MouseOver(n)
{  
  document.getElementById("img"+n).className='imgOver';
}  

function MouseOut(n)
{           
  document.getElementById("img"+n).className='imgOut';
}  
//产品图片

//重新加载验证码，这里必须加入随机数不然地址相同我发重新加载
function reloadcode()
{
	var CheckCode=document.getElementById('CheckCode');
	CheckCode.setAttribute('src','includeFile/getcode.asp?'+Math.random());
}


//检测空字符
function checkspace(checkstr) {
  var str = '';
  for(i = 0; i < checkstr.length; i++) {
    str = str + ' ';
  }
  return (str == checkstr);
}
//检测空字符

function CheckEmail(email)
{
	var RegExpStr = /^([\w\_\-\.]{1,})(@)([\w\-\.]{1,})(\.)([a-zA-Z\.]{1,})$/;
	return RegExpStr.test(email);
}

// JavaScript Document
function createXMLHttpRequest()  //针对不同浏览器设置XMLHttpRequest方式
{ 
    xmlhttp = false; 
     
    if(window.XMLHttpRequest)
	{        //for Mozilla 
        xmlhttp = new XMLHttpRequest(); 
        if(xmlhttp.overrideMimeType)
		{ 
            xmlhttp.overrideMimeType("text/xml"); 
        } 
    } 
    else if(window.ActiveXObject)
	{   //for IE 
        try
		{ 
            xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); 
        }
		catch(e)
		{ 
            try
			{ 
                xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
            }
		catch(e)
		{} 
        } 
    } 
}

function Check_Search()
{
	if (checkspace(document.myform.type_id.value)&&checkspace(document.myform.sort_id.value)&&(checkspace(document.myform.keywords.value)||document.myform.keywords.value=="请输入关键字"))
	{
		alert("产品大类、小类或者关键字至少有一项为不能为空！");
		return false;
	}
}