function chngMenu(cntrl)
{
   //alert(cntrl);
   var control = document.getElementById(cntrl);
        if((cntrl == 'aHome'))
            control.className = 'menuselect';
        if((cntrl == 'aManifesto'))
            control.className = 'menuselect';
        if((cntrl == 'aGallery'))
            control.className = 'menuselect';
        if((cntrl == 'aExhibit'))
            control.className = 'menuselect';
        if((cntrl == 'aCircles'))
            control.className = 'menuselect';
        if((cntrl == 'aContact'))
            control.className = 'menuselect';
        if((cntrl == 'aAbout'))
            control.className = 'menuselect';
}