function buy(){
    pid = buy.arguments[0];
    if(pid==null){
      url = "order.asp?flag="+flag;
    }
    else{
      if((loc=pro[pid].indexOf("元/"))<1){
        alert("第 " + pid + " 项产品名称价格格式定义不对！　　");
        return;
      }
      var pri = "";
      for(var i=loc-1;i>0;i--){
        var s = pro[pid].substring(i,i+1);
        if (s<'0' || s>'9') break;
        pri = s + pri;
      }
      if (pri.length==0){
        alert("第 " + pid + " 项产品名称价格格式定义不对！　　");
        return;
      }
      url = "order.asp?flag="+flag+"&txt="+pro[pid]+"&pri="+pri;
    }
    try{
      var ow = window.open(url,"ow","width=560,height=480,top=0,left=0,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes");
      ow.focus();
    }
    finally{
    }
  }