var images = new Array();
var imagesLoaded = false;

function loadImages(thisImagesToLoad) {
	for (var i = 0; i < thisImagesToLoad.length; i++) {
		imgName = thisImagesToLoad[i][0];
		imgSrc = thisImagesToLoad[i][1];
		images[imgName] = new Image();
		images[imgName].src = imgSrc;
	}
	imagesLoaded = true;
}

function imgOver(imgName) {
	if (document.images && imagesLoaded) {
		document.images[imgName].src = images[imgName + "_1"].src;
	}
}

function imgOut(imgName) {
	if (document.images && imagesLoaded) {
		document.images[imgName].src = images[imgName + "_0"].src;
	}
}