function setTab_1(name_1,curse,n)
{ 
  for(i=1;i<=n;i++){ 
  var menu=document.getElementById(name_1+i); 
  var con=document.getElementById("switch_"+name_1+"_"+i); 
  menu.className=i==curse?"active":""; 
  con.style.display=i==curse?"block":"none"; 
} 
}