function enter(obj)  //多种浏览器的enter登录
     {
              
            var Sys = {};
            var ua = navigator.userAgent.toLowerCase();
            if (window.ActiveXObject)
                Sys.ie = ua.match(/msie ([\d.]+)/)[1]
            else if (document.getBoxObjectFor)
                Sys.firefox = ua.match(/firefox\/([\d.]+)/)[1]
            else if (window.MessageEvent && !document.getBoxObjectFor)
                Sys.chrome = ua.match(/chrome\/([\d.]+)/)[1]
            else if (window.opera)
                Sys.opera = ua.match(/opera.([\d.]+)/)[1]
            else if (window.openDatabase)
                Sys.safari = ua.match(/version\/([\d.]+)/)[1];
            //以下进行测试
           
           if(Sys.firefox)  //火狐
            {
             onkeypress= function aa(event)
                  { 
                      var key = window.event ? event.keyCode:event.which;
                      if (key==13)
		      {
                       if(obj==2) 
                      {
                        return GetSearchByTitleOrCode();
                      } 
                      
                   }
                  }
            } 
           else if(Sys.chrome)   //谷歌
                {
                  
                 if (window.event.keyCode==13 && obj==2) 
                   {
                           
                         return GetSearchByTitleOrCode();
                   }

                }  
            else if(Sys.safari) // 苹果
                {      
                    
                   if (window.event.keyCode==13 && obj==2) 
                   {
                      
                     return GetSearchByTitleOrCode(); 
                   }
               }   
            else {
                if (window.event.keyCode==13 && obj==2) 
               {
                 
                 return GetSearchByTitleOrCode();
               
               }
            }  
     } 
    function GetSearchByTitleOrCode()
    { 
        var titleorcode = document.getElementById("titleorcode").value;
        if(titleorcode=="商品名称或编号" || titleorcode=="")
        {
            alert('产品名称或者编号');
            document.getElementById("titleorcode").focus();
            return false;
        }
        else
        {
            location.href="http://shop.doido.com/SearchList_1.html?titleorcode="+titleorcode+"&searchtype=1&t=-1";
            return true;
        }
        
    }
    function GetSearch()
    {
        var producttype = document.getElementById("producttype").value;
        var price = document.getElementById("price").value;
        
        if(producttype!=0 || price !=0){
            location.href="http://shop.doido.com/SearchList_1.html?price="+price+"&types="+producttype+"&t=-1";
        }    
    }
    
 
	//400电话滚动
	setInterval(function(){
		dataElem = document.getElementById("t400");
		dataElem.appendChild(dataElem.getElementsByTagName('div')[0]);},2000);