function CargarFoto(img,ancho,alto){derecha=(screen.width-ancho)/2;arriba=0;string="toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width="+ancho+",height="+alto+",left="+derecha+",top="+arriba+"";fin=window.open(img,"",string);}
function ObrirUrl(url,ancho,alto){derecha=(screen.width-ancho)/2;arriba=0;string="toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width="+ancho+",height="+alto+",left="+derecha+",top="+arriba+"";window.open(url,"",string)}