if (document.images) {

	hertzson = new Image(); // Active images
	hertzson.src = 'files/logoshertz.jpg';

	hertzsoff = new Image(); // Inactive images
	hertzsoff.src = 'files/logoshertzoff.jpg';

	avisson = new Image(); // Active images
	avisson.src = 'files/logosavis.jpg';

	avissoff = new Image(); // Inactive images
	avissoff.src = 'files/logosavisoff.jpg';

	marriottson = new Image(); // Active images
	marriottson.src = 'files/logosmarriott.jpg';

	marriottsoff = new Image(); // Inactive images
	marriottsoff.src = 'files/logosmarriottoff.jpg';

	choiceson = new Image(); // Active images
	choiceson.src = 'files/logoschoice.jpg';

	choicesoff = new Image(); // Inactive images
	choicesoff.src = 'files/logoschoiceoff.jpg';

	europason = new Image(); // Active images
	europason.src = 'files/logoseuropa.jpg';

	europasoff = new Image(); // Inactive images
	europasoff.src = 'files/logoseuropaoff.jpg';

	omvesason = new Image(); // Active images
	omvesason.src = 'files/logosomvesa.jpg';

	omvesasoff = new Image(); // Inactive images
	omvesasoff.src = 'files/logosomvesaoff.jpg';

	aason = new Image(); // Active images
	aason.src = 'files/logosaa.jpg';

	aasoff = new Image(); // Inactive images
	aasoff.src = 'files/logosaaoff.jpg';

	lanson = new Image(); // Active images
	lanson.src = 'files/logoslan.jpg';

	lansoff = new Image(); // Inactive images
	lansoff.src = 'files/logoslanoff.jpg';

	tacason = new Image(); // Active images
	tacason.src = 'files/logostaca.jpg';

	tacasoff = new Image(); // Inactive images
	tacasoff.src = 'files/logostacaoff.jpg';

	hiltonson = new Image(); // Active images
	hiltonson.src = 'files/logoshilton.jpg';

	hiltonsoff = new Image(); // Inactive images
	hiltonsoff.src = 'files/logoshiltonoff.jpg';

	hyattson = new Image(); // Active images
	hyattson.src = 'files/logoshyatt.jpg';

	hyattsoff = new Image(); // Inactive images
	hyattsoff.src = 'files/logoshyattoff.jpg';
	
	copason = new Image(); // Active images
	copason.src = 'files/logoscopa.jpg';

	copasoff = new Image(); // Inactive images
	copasoff.src = 'files/logoscopaoff.jpg';

	tameson = new Image(); // Active images
	tameson.src = 'files/logotameon.jpg';

	tamesoff = new Image(); // Inactive images
	tamesoff.src = 'files/logotameoff.jpg';

	aerogalson = new Image(); // Active images
	aerogalson.src = 'files/logoaerogalon.jpg';

	aerogalsoff = new Image(); // Inactive images
	aerogalsoff.src = 'files/logoaerogaloff.jpg';

	royalson = new Image(); // Active images
	royalson.src = 'files/logosroyal.jpg';

	royalsoff = new Image(); // Inactive images
	royalsoff.src = 'files/logosroyaloff.jpg';

	mapaon = new Image(); // Active images
	mapaon.src = 'files/logosmapa.jpg';

	mapaoff = new Image(); // Inactive images
	mapaoff.src = 'files/logosmapaoff.jpg';

	
}

function imgOn(imgName) 
{
	if (document.images) 
	{
		document[imgName].src = eval(imgName + 'on.src');
	}
}

function imgOff(imgName) 
{
	if (document.images) 
	{
		document[imgName].src = eval(imgName + 'off.src');
	}
}

function show(imageSrc) {
    if (document.images) document.images['myImage'].src = imageSrc;
}