function layer() { //v2.0
  var i, visStr, args, theObj,br;
  args = layer.arguments;
  for (i=0; i<(args.length-1); i+=2) {
    visStr   = args[i+1];
    if (navigator.appName == 'Netscape' && document.layers != null) {
      theObj = eval('document.layers[\''+args[i]+'\']');
      if (theObj) theObj.visibility = visStr;
    } 
    else if (document.all != null) { //IE
      if (visStr == 'show') visStr = 'visible'; //convert vals
      if (visStr == 'hide') visStr = 'hidden';
      theObj = eval('document.all[\''+args[i]+'\']');
      if (theObj) theObj.style.visibility = visStr;
    } 
  }
  
  return false;
}


function view(a) {
  if (a==1) {
   layer('menu1','show','menu2','hide','menu3','hide','menu4','hide','menu5','hide','menu6','hide');
   layer('icon1','show','icon2','hide','icon3','hide','icon4','hide','icon5','hide','icon6','hide');
  }
  if (a==2) {
   layer('menu1','hide','menu2','show','menu3','hide','menu4','hide','menu5','hide','menu6','hide');
   layer('icon1','hide','icon2','show','icon3','hide','icon4','hide','icon5','hide','icon6','hide');
  }
  if (a==3) {
   layer('menu1','hide','menu2','hide','menu3','show','menu4','hide','menu5','hide','menu6','hide');
   layer('icon1','hide','icon2','hide','icon3','show','icon4','hide','icon5','hide','icon6','hide');
  }
  if (a==4) {
   layer('menu1','hide','menu2','hide','menu3','hide','menu4','show','menu5','hide','menu6','hide');
   layer('icon1','hide','icon2','hide','icon3','hide','icon4','show','icon5','hide','icon6','hide');
  }
  if (a==5) {
   layer('menu1','hide','menu2','hide','menu3','hide','menu4','hide','menu5','show','menu6','hide');
   layer('icon1','hide','icon2','hide','icon3','hide','icon4','hide','icon5','show','icon6','hide');
  }
  if (a==6) {
   layer('menu1','hide','menu2','hide','menu3','hide','menu4','hide','menu5','hide','menu6','show');
   layer('icon1','hide','icon2','hide','icon3','hide','icon4','hide','icon5','hide','icon6','show');
  }
      
  return false;
}