//Activación de paneles de operaciones. 

function activPnl(num, pag, params){
    var i=0;
    while (document.getElementById('a'+i)!=null){
        if(i!=num){
            document.getElementById('a'+i).className="unselectedleft";
            document.getElementById('s'+i).className="unselectedright";
            document.getElementById('d'+i).className=document.getElementById('d'+i).className.split(' ')[0]+' oculto';
        } else {
            document.getElementById('a'+i).className="selectedleft";
            document.getElementById('s'+i).className="selectedright";
            document.getElementById('d'+i).className=document.getElementById('d'+i).className.split(' ')[0]+' visible';            
        }
        i++
    }
    return false;
}