function ampliramo (imagen, titulo, ancho, alto) {
var caso = (ancho+10>screen.availWidth) << 1 | alto+30>screen.availHeight
switch ( caso ){
case 0 :
var ancho_v = ancho;
var alto_v = alto;
break;
case 1 :
var ancho_v = ancho + 16;
var alto_v = screen.availHeight - 30;
break;
case 2 :
var ancho_v = screen.availWidth - 10;
var alto_v = alto + 16;
break;
case 3 :
var ancho_v = screen.availWidth - 10;
var alto_v = screen.availHeight - 30;
break;
}
var props = "width="+ ancho_v +",height="+ alto_v
+",left="+ ( ( window.screenX ? window.screenX + (window.outerWidth - ancho_v)/2 : (document.all ? (screen.width - ancho_v)/2 + 1 : 0) ) - 6 )
+",top=" + ( ( window.screenY ? window.screenY + (window.outerHeight - alto_v)/2 : (document.all ? (screen.height - alto_v)/2 + 1 : 0) ) - 30 )
+",alwaysRaised=1,dependent=0,location=no,resizable=1,status=no,toolbar=no,directories=no,menubar=no,scrollbars="+(caso==0?'0':'1')
with (open('',''+ancho+alto,props).document) {
write(' '+titulo+' \n'
+'\n'
+'
\n')
close()
}
}