function nuevaventana(url,nombre,ancho,alto)
{
	mgtop = ((screen.height / 2) - (alto/2))-10
	mgleft = (screen.width / 2) - (ancho/2)
	
	window.open(url,nombre,'width='+ancho+',height='+alto+',top='+mgtop+',left='+mgleft+',scrollbars=yes,status=1');
}
function cierra()
{
	window.close();
}
function principal(principal)
{
	window.location.href=principal;
}
function Cambiar(pNumFoto,pNumMax,pNomsec){
	window.location.href='galeria.php?NumMax='+pNumMax+'&NumFot=' + pNumFoto +'&Nomsec=' + pNomsec;
}