function MenuOn(id)
{
var nav=id;
if (document.getElementById(nav).style.display =='block') 
{
	document.getElementById(nav).style.display='none';
	return true;
}

document.getElementById('A').style.display='none';
document.getElementById('C').style.display='none';
document.getElementById('D').style.display='none';
document.getElementById('E').style.display='none';
document.getElementById('F').style.display='none';
document.getElementById('G').style.display='none';
document.getElementById('H').style.display='none';
document.getElementById('I').style.display='none';
document.getElementById('J').style.display='none';
document.getElementById('K').style.display='none';
document.getElementById('L').style.display='none';
document.getElementById('M').style.display='none';
document.getElementById('N').style.display='none';
document.getElementById('O').style.display='none';
document.getElementById('P').style.display='none';
document.getElementById('R').style.display='none';
document.getElementById('S').style.display='none';
document.getElementById('T').style.display='none';
document.getElementById('U').style.display='none';
document.getElementById('V').style.display='none';
document.getElementById('Z').style.display='none';

document.getElementById('a_hdr').className='wsw_content_header';
document.getElementById('c_hdr').className='wsw_content_header';
document.getElementById('d_hdr').className='wsw_content_header';
document.getElementById('e_hdr').className='wsw_content_header';
document.getElementById('f_hdr').className='wsw_content_header';
document.getElementById('g_hdr').className='wsw_content_header';
document.getElementById('h_hdr').className='wsw_content_header';
document.getElementById('i_hdr').className='wsw_content_header';
document.getElementById('j_hdr').className='wsw_content_header';
document.getElementById('k_hdr').className='wsw_content_header';
document.getElementById('l_hdr').className='wsw_content_header';
document.getElementById('m_hdr').className='wsw_content_header';
document.getElementById('n_hdr').className='wsw_content_header';
document.getElementById('o_hdr').className='wsw_content_header';
document.getElementById('p_hdr').className='wsw_content_header';
document.getElementById('r_hdr').className='wsw_content_header';
document.getElementById('s_hdr').className='wsw_content_header';
document.getElementById('t_hdr').className='wsw_content_header';
document.getElementById('u_hdr').className='wsw_content_header';
document.getElementById('v_hdr').className='wsw_content_header';
document.getElementById('z_hdr').className='wsw_content_header';


(id=="A" || id=="C" || id=="D" || id=="E" || id=="F" || id=="G" || id=="H" || id=="I" || id=="J" || id=="K" || id=="L" || id=="M" || id=="N" || id=="O" || id=="P" || id=="R" || id=="S" || id=="T" || id=="U" || id=="V" || id=="Z")
document.getElementById(nav).style.display='block';
document.getElementById(nav.toLowerCase()+'_hdr').className='wsw_content_header3';
}