function activar(buto,elcolor){
document.getElementById('r'+buto).src = "/imagenes/botones/43/"+elcolor+"/right.gif"; 
document.getElementById('l'+buto).src = "/imagenes/botones/43/"+elcolor+"/left.gif";
var stemp='/imagenes/botones/43/'+elcolor+'/center.gif'
document.getElementById('buto_c'+buto).style.backgroundImage  =  "url("+stemp+")";
}
function desactivar(buto){
document.getElementById('r'+buto).src = "/imagenes/botones/43/gris/right.gif"; 
document.getElementById('l'+buto).src = "/imagenes/botones/43/gris/left.gif";
document.getElementById('buto_c'+buto).style.backgroundImage  =  "url('/imagenes/botones/43/gris/center.gif')";
}
function activar_con(buto,elcolor){
document.getElementById('con_r'+buto).src = "/imagenes/botones/76/"+elcolor+"/right.gif"; 
document.getElementById('con_l'+buto).src = "/imagenes/botones/76/"+elcolor+"/left.gif";
var stemp='/imagenes/botones/76/'+elcolor+'/center.gif'
document.getElementById('buto_ci'+buto).style.backgroundImage  =  "url("+stemp+")";
document.getElementById('buto_ct'+buto).style.backgroundImage  =  "url("+stemp+")";
}
function desactivar_con(buto){
document.getElementById('con_r'+buto).src = "/imagenes/botones/76/gris/right.gif"; 
document.getElementById('con_l'+buto).src = "/imagenes/botones/76/gris/left.gif";
document.getElementById('buto_ci'+buto).style.backgroundImage  =  "url('/imagenes/botones/76/gris/center.gif')";
document.getElementById('buto_ct'+buto).style.backgroundImage  =  "url('/imagenes/botones/76/gris/center.gif')";
}
function activar_b2(buto,elcolor){
document.getElementById('r'+buto).src = "/imagenes/botones/22/"+elcolor+"/right.gif"; 
document.getElementById('l'+buto).src = "/imagenes/botones/22/"+elcolor+"/left.gif";
var stemp='/imagenes/botones/22/'+elcolor+'/center.gif'
document.getElementById('buto_c'+buto).style.backgroundImage  =  "url("+stemp+")";
}
function desactivar_b2(buto){
document.getElementById('r'+buto).src = "/imagenes/botones/22/gris/right.gif"; 
document.getElementById('l'+buto).src = "/imagenes/botones/22/gris/left.gif";
document.getElementById('buto_c'+buto).style.backgroundImage  =  "url('/imagenes/botones/22/gris/center.gif')";
}