var timer;

// set the delay between random image display (1000 = 1 sec) ...
var delay = 8000;
var S1 = '';
var S2 = '';
var S3 = '';

var blue = new Array();
blue[0] = "01012003.jpg";
blue[1] = "04012003.jpg";
blue[2] = "07012003.jpg";
blue[3] = "10012003.jpg";
blue[4] = "13012003.jpg";
blue[5] = "16012003.jpg";
blue[6] = "19012003.jpg";
blue[7] = "22012003.jpg";
blue[8] = "25012003.jpg";
blue[9] = "28012003.jpg";
blue[10] = "31012003.jpg";
blue[11] = "03022003.jpg";
blue[12] = "06022003.jpg";
blue[13] = "09022003.jpg";
blue[14] = "12022003.jpg";
blue[15] = "15022003.jpg";
blue[16] = "18022003.jpg";
blue[17] = "01012004.jpg";
blue[18] = "04012004.jpg";
blue[19] = "07012004.jpg";

var yellow = new Array();
yellow[0] = "02012003.jpg";
yellow[1] = "05012003.jpg";
yellow[2] = "08012003.jpg";
yellow[3] = "11012003.jpg";
yellow[4] = "14012003.jpg";
yellow[5] = "17012003.jpg";
yellow[6] = "20012003.jpg";
yellow[7] = "23012003.jpg";
yellow[8] = "26012003.jpg";
yellow[9] = "29012003.jpg";
yellow[10] = "01022003.jpg";
yellow[11] = "04022003.jpg";
yellow[12] = "07022003.jpg";
yellow[13] = "10022003.jpg";
yellow[14] = "13022003.jpg";
yellow[15] = "16022003.jpg";
yellow[16] = "19022003.jpg";
yellow[17] = "02012004.jpg";
yellow[18] = "05012004.jpg";
yellow[19] = "branman.jpg";

var orange = new Array();
orange[0] = "03012003.jpg";
orange[1] = "06012003.jpg";
orange[2] = "09012003.jpg";
orange[3] = "12012003.jpg";
orange[4] = "15012003.jpg";
orange[5] = "18012003.jpg";
orange[6] = "21012003.jpg";
orange[7] = "24012003.jpg";
orange[8] = "27012003.jpg";
orange[9] = "30012003.jpg";
orange[10] = "02022003.jpg";
orange[11] = "05022003.jpg";
orange[12] = "08022003.jpg";
orange[13] = "11022003.jpg";
orange[14] = "14022003.jpg";
orange[15] = "17022003.jpg";
orange[16] = "23022003.jpg";
orange[17] = "03012004.jpg";
orange[18] = "06012004.jpg";

function randomImages() {
    var blue_random = Math.floor(Math.random() * blue.length);
    document.s1.src = blue[blue_random];
	S1 = blue[blue_random];

    var yellow_random = Math.floor(Math.random() * yellow.length);
    document.s2.src = yellow[yellow_random];
	S2 = yellow[yellow_random];

    var orange_random = Math.floor(Math.random() * orange.length);
    document.s3.src = orange[orange_random];
	S3 = orange[orange_random];
	
	timer=setTimeout("randomImages()",delay);
}


function setPAD(s) {
	var colour = '';
	var index = '';

	// find out which array we're starting in and at which point
	for (x = 0; x < blue.length; x++) {
		if (blue[x] == s) {
			index = x;
			colour = 'blue';
		}
	}

	if (!colour) {
		for (x = 0; x < yellow.length; x++) {
			if (yellow[x] == s) {
				index = x;
				colour = 'yellow';
			}
		}
	}

	if (!colour) {
		for (x = 0; x < orange.length; x++) {
			if (orange[x] == s) {
				index = x;
				colour = 'orange';
			}
		}
	}

	// open the sketch pad window with and pass the array and index values
	var sketchPAD = window.open('sketchPAD.htm?' + colour + '&' + index,'PAD','menubar=no,height=420,width=360,resizable=no,scrollbars=no,toolbar=no');

}