window.addEvent('domready', function(){
									 
try {
  document.execCommand("BackgroundImageCache", false, true);
} catch(err) {}									 
									 
$('Btnmenuder').addEvent('click', function(){
$('menulat').removeClass('fltlft');
$('menulat').addClass('fltrt');
/*new Ajax('http://inaer.dlightimagen.com/index.php?/inaer/cambioposicion',{method: 'post', data: 'posicion = fltrt'}).request();*/
Cookie.set("posicion", "fltrt", {duration: 63072000});
										   });
$('Btnmenuizq').addEvent('click', function(){
$('menulat').addClass('fltlft');
$('menulat').removeClass('fltrt');
/*new Ajax('http://inaer.dlightimagen.com/index.php?/inaer/cambioposicion',{method: 'post', data: 'posicion = fltlft'}).request();*/
Cookie.set("posicion", "fltlft", {duration: 63072000});
										   });
/*$('Btnmenuabajo').addEvent('click', function(){
										   $('menufooter').addClass('jsmenuvisible');
										   $('header').addClass('jsmenuinvisible');
										   });
$('Btnmenuarriba').addEvent('click', function(){
										   $('menufooter').removeClass('jsmenuvisible');
										   $('header').removeClass('jsmenuinvisible'); 
										   });*/

});
/*$('myElement').hasClass('testClass');*/