function innermenu() {
    document.getElementById('chindMenuINIT').style.display = "none";
    document.getElementById('chindMenuPUB').style.display = "none";
    document.getElementById('chindMenuSERVICE').style.display = "none";
    document.getElementById('chindMenuOFFICE').style.display = "none";
    document.getElementById('chindMenuCOM').style.display = "none";  
}
function showchindmenu(_obj,mn) {
    innermenu();
    colorchange(mn);
    $(_obj).css('display','block');
}

function colorInit()
{
     document.getElementById("mn01").className="menuout";
     document.getElementById("mn02").className="menuout";
     document.getElementById("mn03").className="menuout";
     document.getElementById("mn04").className="menuout";
     document.getElementById("mn05").className="menuout";
}
function colorchange(divid)
{
     colorInit();
     document.getElementById(divid).className ="menuover";
}