function big(foto,commento)
{
	window.open("../big.php?foto="+foto+"&commento="+commento,"");	
}

function show(mylayer)
{
  if (document.layers)
  {
		 eval(document.layers + "['" + mylayer + "']." + style + ".visibility='visible'")
   }
  else
	if (document.all)
  {
		 eval(document.all + "['" + mylayer + "']." + style + ".visibility='visible'")
	}
	else
	if(document.getElementById(mylayer))
  {
		 document.getElementById(mylayer).style.visibility="visible";  	 
	}
}

function hide(mylayer)
{
  if (document.layers)
  {
		 eval(document.layers + "['" + mylayer + "']." + style + ".visibility='hidden'")
   }
  else
	if (document.all)
  {
		 eval(document.all + "['" + mylayer + "']." + style + ".visibility='hidden'")
	}
	else
	if(document.getElementById(mylayer))
  {
		 document.getElementById(mylayer).style.visibility="hidden";
	}
}


function over(mylayer)
{	

  if (document.layers)
  {
		 eval(document.layers + "['" + mylayer + "']." + style + ".z_index=3")
   }
  else
	if (document.all)
  {
		 eval(document.all + "['" + mylayer + "']." + style + ".z_index=3")
	}
	else
	if(document.getElementById(mylayer))
  {
		 document.getElementById(mylayer).style.z_index=3;
	}
}

function under(mylayer)
{

  if (document.layers)
  {
		 eval(document.layers + "['" + mylayer + "']." + style + ".z_index=1")
   }
  else
	if (document.all)
  {
		 eval(document.all + "['" + mylayer + "']." + style + ".z_index=1")
	}
	else
	if(document.getElementById(mylayer))
  {
		 document.getElementById(mylayer).style.z_index=1;
	}
}