function ok(){
 if(infoActionForm.ckeyword.value==null||infoActionForm.ckeyword.value==""){
       alert("关键字不能空");
       return ;
   }else{
         if(infoActionForm.carticletitle.value==null||infoActionForm.carticletitle.value==""){
           alert("关键字类型不能空");
           return ;
        }
   }
infoActionForm.submit();
}