function mostra(theId){
var theArray= new Array('equipe558', 'download558', 'inicial', 'item4', 'item5', 'item6', 'item7', 'item8');
w=document.getElementById(theId)
if(w.style.display=="block"){w.style.display='none';}else{ 

 
 
           for(i=0; i<theArray.length; i++){
                        if(theArray[i] == theId){
                                w.style.display='block';
                        }else{
                                document.getElementById(theArray[i]).style.display='none';
                        }
          }
          }
          
}