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function saomiao(event,n)
{
     var code=0;
     code=event.keyCode;//¼àÌý¼üÅÌÊäÈëʼþ
     if(code=='13')//Èç¹û¼üÅÌÊäÈë»Ø³µ¼ü
     {
          if(n>0)//¿ªÊ¼ÅжϲÎÊý
          {
               if(document.getElementById('logisticsno').value=='')
          {
           alert('ÇëɨÃèÊäÈëÔ˵¥ºÅ!');
                     var r=document.getElementById('logisticsno');
                     r.focus();
           return false;
                   }
             else if(document.activeElement.name!='deliver_money')//document.activeElement.name½¹µãËùÔÚµÄÔªËØÃû
             {
                     var r=document.getElementById('deliver_money');
                     r.focus();       
               }
             else//Èç¹ûËùÓÐÌõ¼þ¶¼Âú×ã
             {
          &