function getdao(){
    var ss=document.getElementById("menuf");
    var count_ss=ss.getElementsByTagName("a").length;
    var ql=document.getElementById("hidd_lei");

        for(var i=0;i<count_ss;i++){

            if(ss.getElementsByTagName("a")[i].id==ql.value){

                ss.getElementsByTagName("a")[i].className="itemAct";
            }
        }
        
    var ssd=document.getElementById("menud");
    var count_ssd=ssd.getElementsByTagName("a").length;
    var qd=document.getElementById("hidd_area");
    
        for(var i=0;i<count_ssd;i++){

            if(ssd.getElementsByTagName("a")[i].id==qd.value){

                ssd.getElementsByTagName("a")[i].className="itemAct";
            }
        }
    var ssr=document.getElementById("menur");
    var count_ssr=ssr.getElementsByTagName("a").length;
    var qr=document.getElementById("hidd_riqi");
    
        for(var i=0;i<count_ssr;i++){

            if(ssr.getElementsByTagName("a")[i].id==qr.value){

                ssr.getElementsByTagName("a")[i].className="itemAct";
            }
        }
    var ssx=document.getElementById("menux");
    var count_ssx=ssx.getElementsByTagName("a").length;
    var qx=document.getElementById("hidd_xu");
    
        for(var i=0;i<count_ssx;i++){
            if(ssx.getElementsByTagName("a")[i].id==qx.value){
                ssx.getElementsByTagName("a")[i].className="itemAct";
            }
        }
}