function nuevaVentana(pagina,ancho,alto)
{
  window.open(pagina,'_blank','height='+alto+',width='+ancho+',top='+((screen.height-alto)/2)+',left='+((screen.width-ancho)/2)+',toolbar=no,menubar=no,location=no,status=no,scrollbars=no,resizable=no');
}

function nuevaVentanascroll(pagina,ancho,alto)
{
  window.open(pagina,'_blank','height='+alto+',width='+ancho+',top='+((screen.height-alto)/2)+',left='+((screen.width-ancho)/2)+',toolbar=no,menubar=no,location=no,status=no,scrollbars=yes,resizable=no');
}

function nuevaVentanasin(pagina)
{
  window.open(pagina,'_blank','toolbar=no,menubar=no,location=no,status=no,scrollbars=no,resizable=no');
}

function verfoto(foto, ancho, alto)  
{
	window.open(foto,'_blank','height='+alto+',width='+ancho+',left='+(screen.width-ancho)/2+',top='+(screen.height-alto)/3+',status=no,toolbar=no, resizable=no,menubar=no,location=no,scrollbars=no');
}

function verfotoYweb(web,foto,ancho,alto)
{	
	window.open(foto,'_blank','height='+alto+',width='+ancho+',left='+(screen.width-ancho)/2+',top='+(screen.height-alto)/3+',status=no,toolbar=no, resizable=no,menubar=no,location=no,scrollbars=no');	
	window.open(web,'_blank','height='+screen.height+',width='+screen.width+',left='+(screen.width-ancho)/2+',top='+(screen.height-alto)/3+'');	
}