//通过ocx抓取主机号，调用前请加载ocx控件
   function getpsn()
   {
       var resultSn = null;
            //debugger;
            try {
                var obj = new ActiveXObject("lnsp.NSPInfo");
                var sn = obj.GetNSPID();
                var type = typeof (sn);
                var str_sn = String(sn);
                //var reg = /\w{5,}/;
                //if (reg.exec(sn)){
                //alert(sn);
                //}
                resultSn = str_sn;
            }
            catch (e) {
               //throw e;
            }
            
            return resultSn;
  }
  
  
  //是否是ocx抓取主机号,保护方法
  function isPsn()
  {
      var resultSn = null;
          
            try {
                var obj = new ActiveXObject("lnsp.NSPInfo");
                var sn = obj.GetNSPID();
                var type = typeof (sn);
                var str_sn = String(sn);
                //var reg = /\w{5,}/;
                //if (reg.exec(sn)){
                //alert(sn);
                //}
                resultSn = str_sn;
            }
            catch (e) {
               throw e;
            }
            
      return resultSn;
  }
  
        
  function setpsn()
  {
    var obj = new ActiveXObject("lnsp.NSPInfo");
    obj.SetNSPID(document.getElementById("sn").value);
  }
	
  
            
    //获得Cookie的原始值      
    function GetCookie(name)
    {
    
        /*
        var arg = name + '=';
        var alen = arg.length;
        var clen = document.cookie.length;
        var i = 0;
        
       
         
        while (i < clen) {
            var j = i + alen;
            if (document.cookie.substring(i, j) == arg) 
                return GetCookieVal(j);
            i = document.cookie.indexOf(" ", i) + 1;
            if (i == 0) 
                break;
        }
       
        return null;
        */
        
        var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)")); 
　　    if(arr !=null) return unescape(arr[2]); return null; 
    }
    
     //获取参数
     function getParameter(str)
     {
    
       
     
     var args = new Object();
     var query = str;   
     
     if(str = null || str=="")
     return args;
                                 // Get query string
     var pairs = query.split("&");                  // Break at ampersand
     for(var i = 0; i < pairs.length; i++) {
         var pos = pairs[i].indexOf('=');           // Look for "name=value"
         if (pos == -1) continue;                   // If not found, skip
         var argname = pairs[i].substring(0,pos); // Extract the name
         var value = pairs[i].substring(pos+1);     // Extract the value
         value = decodeURIComponent(value);         // Decode it, if needed
         args[argname] = value;                     // Store as a property
     }
     
     return args;                                   // Return the object
    }
    
    
    //从cookie中抓取主机号        
    function fetchProductSnFromCookie()
    {
      
       var resultPSN = "";
         
       //通过cookie抓取
           
       var strUserInfo = GetCookie("UserInfo");
       
       if(strUserInfo != null)
       {
          var resultObj = getParameter(strUserInfo);
          
          //alert("cookie主机信息:" + resultObj["LastProductSn"]);
           
          resultPSN =  resultObj["LastProductSn"];
       }
       
       return  resultPSN;  
          
    }
    
            
    //抓取主机号
    function fetchProductSn(isReadCookie, isReadOCX)
    {
      
       var resultPSN = "";
         
       //通过cookie抓取
       if(isReadCookie)
       {
           //alert("cookie抓取" + isReadCookie);
           try
           {
             resultPSN = fetchProductSnFromCookie();
           }
           catch(e)
           {
              resultPSN = "";
           }
       }
     
     
    
       
       //通过ocx抓取
       if(isReadOCX != false)
       {
           //alert("ocx抓取" + isReadOCX);
           var tempStr = getpsn();
           //alert(tempStr);
           
           if(tempStr != "" && tempStr != null)
           {
              resultPSN = tempStr;
           }
       }
       
      
        if (typeof(resultPSN) == "undefined")
        {
           resultPSN = "";
        }


       return resultPSN;
    }
    
    //设置下拉菜单选中值
    function setSelectOption(objId, targetValue)
    {
      if(targetValue == null || targetValue == "")
      {
       return;
      }
      
      //alert(targetValue);
    
      var obj = document.getElementById(objId);
      if(obj){
        var options = obj.options;
        if(options){
          var len = options.length;
          
          //匹配抓取主机号
          for(var i=0;i<len;i++){
            if(options[i].value == targetValue){
              options[i].defaultSelected = true;
              options[i].selected = true;
              
              return true;
            }
          }
          
     
          
          //无法匹配抓取主机号则进行cookie主机号匹配
          var cokSn = fetchProductSnFromCookie();
          for(var i=0;i<len;i++){
            if(options[i].value == cokSn){
              options[i].defaultSelected = true;
              options[i].selected = true;
              
              return true;
            }
          }
          
          
        } else {
          //alert('missing element(s)!');
        }
      } else {
        //alert('missing element(s)!');
      }
    }



    //填写主机号到文本框
    function fillProduct2Text(textId, isReadCookie, isReadOCX)
    {
          
       if(textId == null || textId == "")
       {
         return;
       }
       var textObj = document.getElementById(textId);
       
       if(textObj != null)
       {
         var fsn = fetchProductSn(isReadCookie, isReadOCX);
         
        
          
         if(fsn!= null && typeof(fsn)!= "undefined" && fsn!= "")
         {
           
          textObj.value = fsn;
          textObj.style.color='#000';
         }
       }
    }
    
    
    
    //将下拉菜单选中但前主机
    function fillProduct2DDL(ddlId, isReadCookie, isReadOCX)
    {
     
       //alert("抓取号:" + fetchProductSn());
       setSelectOption(ddlId,fetchProductSn(isReadCookie, isReadOCX));
    }