var imgArray = new Array();

function imgPreload() {
	imgArray[0] = new Image(355,240);
	imgArray[0].src = "graphics/whiteboard-image-1.jpg";
	imgArray[1] = new Image(355,240);
	imgArray[1].src = "graphics/whiteboard-image-2.jpg";
	imgArray[2] = new Image(355,240);
	imgArray[2].src = "graphics/whiteboard-image-3.jpg";
	imgArray[3] = new Image(355,240);
	imgArray[3].src = "graphics/whiteboard-image-4.jpg";
	imgArray[4] = new Image(355,240);
	imgArray[4].src = "graphics/whiteboard-image-5.jpg";
	imgArray[5] = new Image(355,240);
	imgArray[5].src = "graphics/whiteboard-image-6.jpg";
	imgArray[6] = new Image(355,240);
	imgArray[6].src = "graphics/whiteboard-image-7.jpg";
}

function changeImg(i) {
	document.whiteboardimg.src=imgArray[i].src;
}