if (document.images) {
	//primary nav On
	nav01On = new Image();
	nav01On.src = "img/nav_on_01.jpg";
	nav02On = new Image();
	nav02On.src = "img/nav_on_02.jpg";
	nav03On = new Image();
	nav03On.src = "img/nav_on_03.jpg";
	nav04On = new Image();
	nav04On.src = "img/nav_on_04.jpg";
	nav05On = new Image();
	nav05On.src = "img/nav_on_05.jpg";
	nav06On = new Image();
	nav06On.src = "img/nav_on_06.jpg";

	//primary Nav Off
	nav01Off = new Image();
	nav01Off.src = "img/nav_off_01.jpg";
	nav02Off = new Image();
	nav02Off.src = "img/nav_off_02.jpg";
	nav03Off = new Image();
	nav03Off.src = "img/nav_off_03.jpg";
	nav04Off = new Image();
	nav04Off.src = "img/nav_off_04.jpg";
	nav05Off = new Image();
	nav05Off.src = "img/nav_off_05.jpg";
	nav06Off = new Image();
	nav06Off.src = "img/nav_off_06.jpg";
	
}


//Function to "activate" images
function imgAct(imgName) {
	if (document.images) {
		document.images[imgName].src = eval(imgName + "On.src");
	}
}

//Function to "deactivate" images
function imgInact(imgName) {
	if (document.images) {
		document.images[imgName].src = eval(imgName + "Off.src");
	}
}