// Asegurarnos de que no hay buffer overflow
var semaphor = true;
function abrir_imagen(img, desc, w, h) {
disparo = false;
var winWidth = w + 22;
var winHeight = h + 50;
var xScreen = 0.5*(screen.width-winWidth);
var yScreen = 0.5*(screen.height-winHeight);
ventana = window.open("", "iVentana", "width=" + winWidth + ",height=" + winHeight + ",screenX=" + xScreen + ",screenY=" + yScreen + ",left=" + xScreen + ",top=" + yScreen);
ventana.focus();
ventana.document.open();
ventana.document.write('\n');
ventana.document.write('Imagen: ' + desc + '\n');
ventana.document.write('\n');
ventana.document.write('\n');
ventana.document.write('
\n');
ventana.document.write('
' + desc + '
\n');
ventana.document.close();
// Para estar seguros, esperamos un poquito mientras se abre la ventana
setTimeout("disparo = true;", 200);
} // abrir_imagen