function submenu8(id){
document.getElementById('oper02').className='cadaitem_spv'
document.getElementById('past02').className='cadaitem_spv'
document.getElementById('esc02').className='cadaitem_spv'
document.getElementById('amort02').className='cadaitem_spv'
document.getElementById('clim02').className='cadaitem_spv'
document.getElementById('filt02').className='cadaitem_spv'
document.getElementById('neu02').className='cadaitem_spv'
document.getElementById('alfo02').className='cadaitem_spv'
document.getElementById(id).className='banda_amarilla_spv'



document.getElementById('oper02_txt').style.display = 'none';
document.getElementById('past02_txt').style.display = 'none';
document.getElementById('esc02_txt').style.display = 'none';
document.getElementById('amort02_txt').style.display = 'none';
document.getElementById('clim02_txt').style.display = 'none';
document.getElementById('filt02_txt').style.display = 'none';
document.getElementById('neu02_txt').style.display = 'none';
document.getElementById('alfo02_txt').style.display = 'none';
document.getElementById(id+'_txt').style.display = 'block';

}