var img01_norm = new Image(); img01_norm.src = "images/nav_01_norm.jpg";
var img01_high = new Image(); img01_high.src = "images/nav_01_high.jpg";

var img02_norm = new Image(); img02_norm.src = "images/nav_02_norm.jpg";
var img02_high = new Image(); img02_high.src = "images/nav_02_high.jpg";

var img03_norm = new Image(); img03_norm.src = "images/nav_03_norm.jpg";
var img03_high = new Image(); img03_high.src = "images/nav_03_high.jpg";

var img04_norm = new Image(); img04_norm.src = "images/nav_04_norm.jpg";
var img04_high = new Image(); img04_high.src = "images/nav_04_high.jpg";

var img05_norm = new Image(); img05_norm.src = "images/nav_05_norm.jpg";
var img05_high = new Image(); img05_high.src = "images/nav_05_high.jpg";

var img06_norm = new Image(); img06_norm.src = "images/nav_06_norm.jpg";
var img06_high = new Image(); img06_high.src = "images/nav_06_high.jpg";

var img07_norm = new Image(); img07_norm.src = "images/nav_07_norm.jpg";
var img07_high = new Image(); img07_high.src = "images/nav_07_high.jpg";

var img08_norm = new Image(); img08_norm.src = "images/nav_08_norm.jpg";
var img08_high = new Image(); img08_high.src = "images/nav_08_high.jpg";

var img09_norm = new Image(); img09_norm.src = "images/nav_09_norm.jpg";
var img09_high = new Image(); img09_high.src = "images/nav_09_high.jpg";

function swapem (iname, gname) {
	iname.src = gname.src;
}