if (document.images)	{
	mainnav1a = new Image
	mainnav1b = new Image
	mainnav1a.src = 'images/nav/nav1a.gif'
	mainnav1b.src = 'images/nav/nav1b.gif'
	mainnav2a = new Image
	mainnav2b = new Image
	mainnav2a.src = 'images/nav/nav2a.gif'
	mainnav2b.src = 'images/nav/nav2b.gif'
	mainnav3a = new Image
	mainnav3b = new Image
	mainnav3a.src = 'images/nav/nav3a.gif'
	mainnav3b.src = 'images/nav/nav3b.gif'
	mainnav4a = new Image
	mainnav4b = new Image
	mainnav4a.src = 'images/nav/nav4a.gif'
	mainnav4b.src = 'images/nav/nav4b.gif'
	mainnav5a = new Image
	mainnav5b = new Image
	mainnav5a.src = 'images/nav/nav5a.gif'
	mainnav5b.src = 'images/nav/nav5b.gif'
	mainnav6a = new Image
	mainnav6b = new Image
	mainnav6a.src = 'images/nav/nav6a.gif'
	mainnav6b.src = 'images/nav/nav6b.gif'
	mainnav7a = new Image
	mainnav7b = new Image
	mainnav7a.src = 'images/nav/nav7a.gif'
	mainnav7b.src = 'images/nav/nav7b.gif'
	mainnav8a = new Image
	mainnav8b = new Image
	mainnav8a.src = 'images/nav/nav8a.gif'
	mainnav8b.src = 'images/nav/nav8b.gif'
	mainnav9a = new Image
	mainnav9b = new Image
	mainnav9a.src = 'images/nav/nav9a.gif'
	mainnav9b.src = 'images/nav/nav9b.gif'
}
else {
	mainnav1a = ""
	mainnav1b = ""
	document.mainnav1 = ""
	mainnav2a = ""
	mainnav2b = ""
	document.mainnav2 = ""
	mainnav3a = ""
	mainnav3b = ""
	document.mainnav3 = ""
	mainnav4a = ""
	mainnav4b = ""
	document.mainnav4 = ""
	mainnav5a = ""
	mainnav5b = ""
	document.mainnav5 = ""
	mainnav6a = ""
	mainnav6b = ""
	document.mainnav6 = ""
	mainnav7a = ""
	mainnav7b = ""
	document.mainnav7 = ""
	mainnav8a = ""
	mainnav8b = ""
	document.mainnav8 = ""
	mainnav9a = ""
	mainnav9b = ""
	document.mainnav9 = ""
}