//Function to preload and swap rollover currency images buttons
if (document.images) {
	curr4Off = new Image
	curr4Over = new Image
	curr5Off = new Image
	curr5Over = new Image
	curr6Off = new Image
	curr6Over = new Image

	curr4Off.src = "images/currency4a.jpg"
	curr4Over.src = "images/currency4b.jpg"
	curr5Off.src = "images/currency5a.jpg"
	curr5Over.src = "images/currency5b.jpg"
	curr6Off.src = "images/currency6a.jpg"
	curr6Over.src = "images/currency6b.jpg"
}

else {
	curr4Off = ""
	curr4Over = ""
	document.curr4RO = ""
	curr5Off = ""
	curr5Over = ""
	document.curr5RO = ""
	curr6Off = ""
	curr6Over = ""
	document.curr6RO = ""
}