function openCenteredWindow(url, name, width, height, features) {
  if(screen.width){
	  var winl = (screen.width-width)/2;
	  var wint = (screen.height-height)/2;
  } else {
		winl = 0;
		wint =0;
  }
  if (winl < 0) winl = 0;
  if (wint < 0) wint = 0;
  var settings = 'height=' + height + ',';
  settings += 'width=' + width + ',';
  settings += 'top=' + wint + ',';
  settings += 'left=' + winl + ',';
  settings += features;
  win = window.open(url, name, settings);
  win.window.focus();
}

function openGalleryPopup(gallery_id, order) {
	openCenteredWindow('popup.php?gallery_id=' + gallery_id + '&order=' + order, 'gallery_popup', 575, 540, 'resizable=no')
}

function openLegalPopup(context_path) {
	openCenteredWindow('/legal/popup.php', 'legal_popup', 400, 310);
}

function openDestacadoPopup(id) {
	openCenteredWindow('/club/popup.php?id=' + id, 'destacado_popup', 504, 310);
}

function openRecomendarPopup(context_path) {
	openCenteredWindow('/recomendar/popup.php', 'recomendar_popup', 400, 380);
}

function changeImage(id, to) {
	x = document.getElementById(id);
	x.src = to;
}