if (document.images) {
//identificar
	//bordes
	Arriba = new Image(5,12);
	Arriba_Izq = new Image(31,12);
	Arriba_Der = new Image(31,12);
	Abajo = new Image(7,12);
	Abajo_Izq = new Image(31,12);
	Abajo_Der = new Image(31,12);
	Derecha = new Image(31,5);
	Izquierda = new Image(31,5);
	//
	Logo = new Image(373,36);
	Logo_en = new Image(373,36);
	Logo_fr = new Image(373,36);
	Espana = new Image(26,19);
	Bretana = new Image(26,19);
	Francia = new Image(26,19);
	Apunake = new Image(117,37);
	Weather = new Image(60,53);
	Aerolineas = new Image(97,37);
	Aerolineas_en = new Image(97,37);
	Aerolineas_fr = new Image(97,37);
	//
	Busqueda = new Image(95,41);
	Busqueda_Over = new Image(95,41);
	Busqueda_en = new Image(95,41);
	Busqueda_Over_en = new Image(95,41);
	Busqueda_fr = new Image(95,41);
	Busqueda_Over_fr = new Image(95,41);
	Como_Usar = new Image(95,41);
	Como_Usar_Over = new Image(95,41);
	Como_Usar_en = new Image(95,41);
	Como_Usar_Over_en = new Image(95,41);
	Como_Usar_fr = new Image(95,41);
	Como_Usar_Over_fr = new Image(95,41);
	Comentarios = new Image(95,41);
	Comentarios_Over = new Image(95,41);
	Comentarios_en = new Image(95,41);
	Comentarios_Over_en = new Image(95,41);
	Comentarios_fr = new Image(95,41);
	Comentarios_Over_fr = new Image(95,41);
	Login = new Image(95,41);
	Login_Over = new Image(95,41);
	Login_en = new Image(95,41);
	Login_Over_en = new Image(95,41);
	Login_fr = new Image(95,41);
	Login_Over_fr = new Image(95,41);
	Extreme = new Image(44,57);
	Extreme_Over = new Image(44,57);
	Web = new Image(46,44);
	Web_Over = new Image(46,44);
	Iata = new Image(50,35);
	Iata_Over = new Image(50,35);
	Sabre = new Image(64,40);
	Sabre_Over = new Image(64,40);
	Mastercard = new Image(50,32);
	Mastercard_Over = new Image(50,32);
	Visa = new Image(50,16);
	Visa_Over = new Image(50,16);
	//Aerolineas
	Aeromexico = new Image(37,26);
	Aeromexico_Over = new Image(37,26);
	Aeropostal = new Image(37,26);
	Aeropostal_Over = new Image(37,26);
	Aircanada = new Image(37,26);
	Aircanada_Over = new Image(37,26);
	Airfrance = new Image(37,26);
	Airfrance_Over = new Image(37,26);
	Airmadrid = new Image(37,26);
	Airmadrid_Over = new Image(37,26);
	Airplus = new Image(37,26);
	Airplus_Over = new Image(37,26);
	Alitalia = new Image(37,26);
	Alitalia_Over = new Image(37,26);
	American = new Image(37,26);
	American_Over = new Image(37,26);
	Argentinas = new Image(37,26);
	Argentinas_Over = new Image(37,26);
	Avianca = new Image(37,26);
	Avianca_Over = new Image(37,26);
	Continental = new Image(37,26);
	Continental_Over = new Image(37,26);
	Copa = new Image(37,26);
	Copa_Over = new Image(37,26);
	Delta = new Image(37,26);
	Delta_Over = new Image(37,26);
	Klm = new Image(37,26);
	Klm_Over = new Image(37,26);
	Lan = new Image(37,26);
	Lan_Over = new Image(37,26);
	Mexicana = new Image(37,26);
	Mexicana_Over = new Image(37,26);
	Qantas = new Image(37,26);
	Qantas_Over = new Image(37,26);
	Taca = new Image(37,26);
	Taca_Over = new Image(37,26);
	Varig = new Image(37,26);
	Varig_Over = new Image(37,26);
//cargar
	//bordes
	Arriba.src = 'images/arri.gif';
	Arriba_Izq.src = 'images/arri-izq.gif';
	Arriba_Der.src = 'images/arri-der.gif';
	Abajo.src = 'images/aba.gif';
	Abajo_Izq.src = 'images/aba-izq.gif';
	Abajo_Der.src = 'images/aba-der.gif';
	Derecha.src = 'images/der.gif';
	Izquierda.src = 'images/izq.gif';
	//
	Logo.src = 'images/logo-rojo.gif';
	Logo_en.src = 'images/logo-rojo-en.gif';
	Logo_fr.src = 'images/logo-rojo-fr.gif';
	Espana.src = 'images/espanol.gif';
	Bretana.src = 'images/english.gif';
	Francia.src = 'images/francais.gif';
	Apunake.src = 'images/apunake.gif';
	Weather.src = 'images/weather.gif';
	Aerolineas.src = 'images/aerolineas.gif';
	Aerolineas_en.src = 'images/airlines.gif';
	Aerolineas_fr.src = 'images/aerolineas-fr.gif';
	//
	Busqueda.src = 'images/home-sp.gif';
	Busqueda_Over.src = 'images/home-sp2.gif';
	Busqueda_en.src = 'images/home-en.gif';
	Busqueda_Over_en.src = 'images/home-en2.gif';
	Busqueda_fr.src = 'images/home-fr.gif';
	Busqueda_Over_fr.src = 'images/home-fr2.gif';
	Como_Usar.src = 'images/apu-como.gif';
	Como_Usar_Over.src = 'images/apu-como2.gif';
	Como_Usar_en.src = 'images/apu-how.gif';
	Como_Usar_Over_en.src = 'images/apu-how2.gif';
	Como_Usar_fr.src = 'images/apu-comment.gif';
	Como_Usar_Over_fr.src = 'images/apu-comment2.gif';
	Comentarios.src = 'images/apu-comentarios.gif';
	Comentarios_Over.src = 'images/apu-comentarios2.gif';
	Comentarios_en.src = 'images/apu-talk.gif';
	Comentarios_Over_en.src = 'images/apu-talk2.gif';
	Comentarios_fr.src = 'images/apu-comentaires.gif';
	Comentarios_Over_fr.src = 'images/apu-comentaires2.gif';
	Login.src = 'images/login1.gif';
	Login_Over.src = 'images/login2.gif';
	Login_en.src = 'images/login1in.gif';
	Login_Over_en.src = 'images/login2in.gif';
	Login_fr.src = 'images/login1fr.gif';
	Login_Over_fr.src = 'images/login2fr.gif';
	Extreme.src = 'images/extreme.gif';
	Extreme_Over.src = 'images/extreme2.gif';
	Web.src = 'images/web.gif';
	Web_Over.src = 'images/web2.gif';
	Iata.src = 'images/iata.gif';
	Iata_Over.src = 'images/iata2.gif';
	Sabre.src = 'images/sabre.gif';
	Sabre_Over.src = 'images/sabre2.gif';
	Mastercard.src = 'images/mastercard.gif';
	Mastercard_Over.src = 'images/mastercard2.gif';
	Visa.src = 'images/visa.gif';
	Visa_Over.src = 'images/visa2.gif';
	//Aerolineas
	Aeromexico.src = 'images/airlines/aeromexico.gif';
	Aeromexico_Over.src = 'images/airlines/aeromexico2.gif';
	Aeropostal.src = 'images/airlines/aeropostal.gif';
	Aeropostal_Over.src = 'images/airlines/aeropostal2.gif';
	Aircanada.src = 'images/airlines/aircanada.gif';
	Aircanada_Over.src = 'images/airlines/aircanada2.gif';
	Airfrance.src = 'images/airlines/airfrance.gif';
	Airfrance_Over.src = 'images/airlines/airfrance2.gif';
	Airmadrid.src = 'images/airlines/airmadrid.gif';
	Airmadrid_Over.src = 'images/airlines/airmadrid2.gif';
	Airplus.src = 'images/airlines/airplus.gif';
	Airplus_Over.src = 'images/airlines/airplus2.gif';
	Alitalia.src = 'images/airlines/alitalia.gif';
	Alitalia_Over.src = 'images/airlines/alitalia2.gif';
	American.src = 'images/airlines/american.gif';
	American_Over.src = 'images/airlines/american2.gif';
	Argentinas.src = 'images/airlines/argentinas.gif';
	Argentinas_Over.src = 'images/airlines/argentinas2.gif';
	Avianca.src = 'images/airlines/avianca.gif';
	Avianca_Over.src = 'images/airlines/avianca2.gif';
	Continental.src = 'images/airlines/continental.gif';
	Continental_Over.src = 'images/airlines/continental2.gif';
	Copa.src = 'images/airlines/copa.gif';
	Copa_Over.src = 'images/airlines/copa2.gif';
	Delta.src = 'images/airlines/delta.gif';
	Delta_Over.src = 'images/airlines/delta2.gif';
	Klm.src = 'images/airlines/klm.gif';
	Klm_Over.src = 'images/airlines/klm2.gif';
	Lan.src = 'images/airlines/lan.gif';
	Lan_Over.src = 'images/airlines/lan2.gif';
	Mexicana.src = 'images/airlines/mexicana.gif';
	Mexicana_Over.src = 'images/airlines/mexicana2.gif';
	Qantas.src = 'images/airlines/qantas.gif';
	Qantas_Over.src = 'images/airlines/qantas2.gif';
	Taca.src = 'images/airlines/taca.gif';
	Taca_Over.src = 'images/airlines/taca2.gif';
	Varig.src = 'images/airlines/varig.gif';
	Varig_Over.src = 'images/airlines/varig2.gif';
//	
	function CambiaImagen(nombre,activa)
	{
		document.images[nombre].src=activa.src;
	}
}