function ampliar(imagen)
{
var w="400";
var h="250";
var top=(screen.availHeight-h)/2;
var left=(screen.availWidth-w)/2;
var windowprops="top="+top+",left="+left+",toolbar=no,location=no,status=no,menubar=no,scrollbars=no, resizable=no,width="+w+ ",height="+h;
ventana=window.open('','ampliar',windowprops);
ventana.document.write(" .:Fotos Carlos Paz Hostel ![](./img/"+imagen+".jpg)
");
ventana.focus();
}