function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
 function premier(n) {
  for(var i = 1; i < 5; i++) {
   obj = document.getElementById('premier'+i);
   img = document.getElementById('premier_button'+i);
   if ( n == i ) {
    obj.style.display = "block";
    img.src = "../image/sub/tab_on_0"+i+".gif";    
   } else {
    obj.style.display = "none";
    img.src = "../image/sub/tab_off_0"+i+".gif";    
   }
  }
 }
 function premier2(n) {
  for(var i = 1; i < 5; i++) {
   obj = document.getElementById('premier2'+i);
   img = document.getElementById('premier_button2'+i);
   if ( n == i ) {
    obj.style.display = "block";
    img.src = "../image/sub/tap"+i+"_on.jpg";    
   } else {
    obj.style.display = "none";
    img.src = "../image/sub/tap"+i+"_off.jpg";   
   }
  }
 }