function search(){
        var value = $F('q');
        if(value==""){
            alert("请输入关键字");
            return false;
        }else if(value.length<3){
            alert("至少输入三个关键字");
            return false; 
        }else{
            location.href ="zwgk.jsp?itemId=66666&size=0&keyword="+value+"&typeId="+$F('sel')  
            return true;
        }
  }

  function search_bm(id){
        var value = $F('q');
        if(value==""){
            alert("请输入关键字");
            return false;
        }else{
            location.href ="bm_lm.jsp?itemId=66666&size=0&bmid="+id+"&keyword="+value+"&typeId="+$F('sel')  
            return true;
        }
  }