var imagen = new Image();
imagen.src = '';
imagen.height = 190;
imagen.width = 324;

var iTienda = {
  /*init: function() {
    Window.onDomReady(iTienda.create);
  },*/
  create: function() {
   iTienda.box.pass();
  },
  box: function() {
    iTienda.height = 535;
    iTienda.width = 680;
		new Element('div').setProperty('id','fondo').setStyles({      
  	  'display':'none','position':'absolute','opacity':'0','z-index':'998',
  	  'background': '#000'
  	}).injectInside(document.body);
    new Element('div').setProperty('id','msg').setStyles({
      'height':'535px','width':'680px',
  	  'display':'none','position':'absolute','opacity':'0','color':'#000','z-index':'999','background':'#FFFFFF','border':'3px solid #747474'
  	}).injectInside(document.body);
  },
  show: function(codigo) {	  
		iTienda.box();
		cargaPagina('/localiza-tienda.php', 'msg', 'tienda='+codigo);
    iTienda.active = true;
    var top = window.getScrollTop(), left = window.getScrollLeft(), h = window.getHeight()/2 , w = window.getWidth()/2;
		var he = top+h-(iTienda.height/2), we = left+w-(iTienda.width/2);
		$('fondo').setStyles({'height':window.getHeight()+(window.getScrollHeight() - window.getHeight())+'px','width':window.getWidth()+'px',	'top':'0px','left':'0px','display':'block'});
		$('fondo').setProperty('onClick','iTienda.hide.delay(1)')
		$('fondo').set('opacity', 0.3);
		$('msg').setStyles({'top':he+'px','left':we+'px','display':'block'});
		$('msg').set('opacity', 1);
  },
  hide: function() {
		$('fondo').set('opacity', 0);
		$('msg').set('opacity', 0);
  }
};

iTienda.create();
//window.extend({Tiendas:iTienda.show});