/* Greybox Redux
 * Required: http://jquery.com/
 * Written by: John Resig
 * Based on code by: 4mir Salihefendic (http://amix.dk)
 * License: LGPL (read more in LGPL.txt)
 */

var GB_DONE = false;
var GB_HEIGHT = 400;
var GB_WIDTH = 400;

function GB_show(caption, url, height, width) {
  GB_HEIGHT = height || 400;
  GB_WIDTH = width || 400;
  if(!GB_DONE) {
    jQuery(document.body)
      .append(
      	'<div id="GB_overlay"></div><div id="GB_window"><div id="GB_caption"></div><img src="./images/close.png" alt="Schließen"/></div>');
    jQuery('#GB_window img').click(GB_hide);
    jQuery('#GB_overlay').click(GB_hide);
    jQuery(window).resize(GB_position);
    GB_DONE = true;
  }

  jQuery('#GB_frame').remove();
  jQuery('#GB_window').append('<iframe id="GB_frame" src="' + url + '"></iframe>');

  jQuery('#GB_caption').html(caption);
  jQuery('#GB_overlay').show();
  GB_position();

  if(GB_ANIMATION)
    jQuery('#GB_window').slideDown('slow');
  else
    jQuery('#GB_window').show();
}

function GB_hide() {
  jQuery('#GB_window,#GB_overlay').hide();
}

function GB_position() {
  var de = document.documentElement;
  var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
  jQuery('#GB_window').css({width:GB_WIDTH + 'px', height:GB_HEIGHT + 'px', left: ((w - GB_WIDTH)/2) + 'px' });
  jQuery('#GB_frame').css('height', GB_HEIGHT - 18 + 'px');
}