var imageDir = "/images/theme/";
var Loaded = false;
var ImageList1 = new Array(7);
var ImageList2 = new Array(7);

var ImageOutNames = [ "home.JPG", "about.JPG", "software.JPG", "store.JPG", "education.JPG", "dev.JPG", "support.JPG" ];
var ImageOverNames = [ "homeH.JPG", "aboutH.JPG", "softwareH.JPG", "storeH.JPG", "educationH.JPG", "devH.JPG", "supportH.JPG" ];
var ImageAtNames = [ "homeD.JPG", "aboutD.JPG", "softwareD.JPG", "storeD.JPG", "educationD.JPG", "devD.JPG", "supportD.JPG" ];
var AtIndex = -1;

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function LoadImages () {
	var i;
	var M;
	if (!Loaded) {
		for( i=0; i<7; i++ ) {
			M = newImage(imageDir + ImageOverNames[i]);
			ImageList1[i] = M;
			M = newImage(imageDir + ImageAtNames[i]);
			ImageList2[i] = M;
		}
	Loaded = true;
	}
}

function SwapOver ( ID, index ) {
	if (index != AtIndex ) {
		document.getElementById( ID ).src = imageDir + ImageOverNames[index];
	}
}

function SwapOut ( ID, index ) {
	if (index != AtIndex ) {
		document.getElementById( ID ).src = imageDir + ImageOutNames[index];
	}
}

function SwapTo ( ID, index ) {
	document.getElementById( ID ).src = imageDir + ImageAtNames[index];
	AtIndex = index;
}