function abrir(nombre,ancho,alto,anchovent,altovent,alt,comentario,res,scrollb,toolb) {
LeftPosition = (screen.width) ? (screen.width-anchovent)/2 : 0;
TopPosition = (screen.height) ? (screen.height-altovent)/2 : 0;
w = window.open("", "Foto", "width="+anchovent+",height="+altovent+",left="+LeftPosition+",top="+TopPosition+",resizable="+res+",scrollbars="+scrollb+",toolbar="+toolb)
w.document.write('<html\><head\><title\>'+alt+'<\/title\>')
w.document.write('<style type="text/css"\>html, body, p, img { background-color: #e6e6fa; margin:0; padding:0; font-family: arial, sans serif; font-size: x-small; color: #556B2F; text-align: center; }<\/style\><\/head\>')
w.document.write('<body\><p\><img src="'+nombre+'" width="'+ancho+'" height="'+alto+'" alt="'+alt+'"\><\/img\><\/p\><p\>'+comentario+'<\/p\><\/body\><\/html\>')
}