var optF = 1;
var optT = 0.6;
var optD = 0.3;

Event.observe(window, "load", function(){
$$(".onM").each(function(el){
	el.observe("mouseover",function(){
		new Effect.Opacity(el, { from:optF, to:optT, duration:optD });
	});
	el.observe("mouseout",function(){
		new Effect.Opacity(el, { from:optT, to:optF, duration:optD });
	});
});

$$(".onMr").each(function(el){
	el.observe("mouseover",function(){
		new Effect.Opacity(el, { from:optT, to:optF, duration:optD });
	});
	el.observe("mouseout",function(){
		new Effect.Opacity(el, { from:optF, to:optT, duration:optD });
	});
});

$$(".autoF").each(function(el){
	new Effect.Opacity(el, { from:optF, to:optT, duration:optD * 5 });
});

});


function view_onoff(did, BorN){
  if(BorN=='auto'){
   if($(did).getStyle('display')=='block'){
     BorN='none';
   }else{
     BorN='block';
   }
  }

  $(did).setStyle({'display':BorN});

}