var numberOfPictures1 = 24;
var numberOfPictures2 = 16;
var numberOfPictures3 = 26;
var numberOfPictures4 = 19;

pictureArray1 = new Array();
pictureArray2 = new Array();
pictureArray3 = new Array();
pictureArray4 = new Array();

pictureArray1[0] = "http://www.archbishopspalding.org/images/rotate1/pic1.jpg";


pictureArray2[0] = "http://www.archbishopspalding.org/images/rotate2/pic1.jpg";
pictureArray2[1] = "http://www.archbishopspalding.org/images/rotate2/pic2.jpg";
pictureArray2[2] = "http://www.archbishopspalding.org/images/rotate2/pic3.jpg";
pictureArray2[3] = "http://www.archbishopspalding.org/images/rotate2/pic4.jpg";
pictureArray2[4] = "http://www.archbishopspalding.org/images/rotate2/pic5.jpg";

pictureArray3[0] = "http://www.archbishopspalding.org/images/rotate3/pic1.jpg";
pictureArray3[1] = "http://www.archbishopspalding.org/images/rotate3/pic2.jpg";
pictureArray3[2] = "http://www.archbishopspalding.org/images/rotate3/pic3.jpg";
pictureArray3[3] = "http://www.archbishopspalding.org/images/rotate3/pic4.jpg";
pictureArray3[4] = "http://www.archbishopspalding.org/images/rotate3/pic5.jpg";

pictureArray4[0] = "http://www.archbishopspalding.org/images/rotate4/pic1.jpg";
pictureArray4[1] = "http://www.archbishopspalding.org/images/rotate4/pic2.jpg";
pictureArray4[2] = "http://www.archbishopspalding.org/images/rotate4/pic3.jpg";
pictureArray4[3] = "http://www.archbishopspalding.org/images/rotate4/pic4.jpg";
pictureArray4[4] = "http://www.archbishopspalding.org/images/rotate4/pic5.jpg";

function chooseImage() {
	
	var counter;
	
	for (counter = 0; counter < numberOfPictures1; counter++) {
		pictureArray1[counter] = 'http://www.archbishopspalding.org/images/rotate1/pic' + eval(counter +1) + '.jpg';
	}

	for (counter = 0; counter < numberOfPictures2; counter++) {
		pictureArray2[counter] = 'http://www.archbishopspalding.org/images/rotate2/pic' + eval(counter +1) + '.jpg';
	}
	
	for (counter = 0; counter < numberOfPictures3; counter++) {
			pictureArray3[counter] = 'http://www.archbishopspalding.org/images/rotate3/pic' + eval(counter +1) + '.jpg';
	}
	
		for (counter = 0; counter < numberOfPictures4; counter++) {
			pictureArray4[counter] = 'http://www.archbishopspalding.org/images/rotate4/pic' + eval(counter +1) + '.jpg';
	}

	var randomnumber=Math.floor(Math.random()*numberOfPictures1);
	document.PhotoRight01.src = pictureArray1[randomnumber];		

	var randomnumber=Math.floor(Math.random()*numberOfPictures2);
	document.PhotoRight02.src = pictureArray2[randomnumber];		

	var randomnumber=Math.floor(Math.random()*numberOfPictures3);
	document.PhotoRight03.src = pictureArray3[randomnumber];		

	var randomnumber=Math.floor(Math.random()*numberOfPictures4);
	document.PhotoRight04.src = pictureArray4[randomnumber];			
}