imageArray = new Array(8);
imageArray[0] = "23.jpg";
imageArray[1] = "14.jpg";
imageArray[2] = "21.jpg";
imageArray[3] = "26.jpg";
imageArray[4] = "02.jpg";
imageArray[5] = "09.jpg";
imageArray[6] = "05.jpg";
imageArray[7] = "06.jpg";

function changeImage (imgNum)	{
	document['mainImage'].src = imageArray[imgNum];
	}