var canvasArray = new Array(
    new Array("52950001.jpg","untitled 1","canvas"),
    new Array("52950002.jpg","untitled 2","canvas"),
    new Array("52950003.jpg","untitled 3","canvas"),
    new Array("52950004.jpg","untitled 4","canvas"),
    new Array("52950005.jpg","untitled 5","canvas"),
    new Array("52950006.jpg","untitled 6","canvas"),
    new Array("52950007.jpg","untitled 7","canvas"),
    new Array("52950008.jpg","untitled 8","canvas"),
    new Array("52950009.jpg","untitled 9","canvas"),
    new Array("52950010.jpg","untitled 10","canvas"),
    new Array("52950011.jpg","untitled 11","canvas"),
    new Array("52950012.jpg","untitled 12","canvas"),
    new Array("52950013.jpg","untitled 13","canvas"),
    new Array("52950014.jpg","untitled 14","canvas"),
    new Array("52950015.jpg","untitled 15","canvas"),
    new Array("52950016.jpg","untitled 16","canvas"),
    new Array("52950017.jpg","untitled 17","canvas"),
    new Array("52950018.jpg","untitled 18","canvas"),
    new Array("52950019.jpg","untitled 19","canvas"),
    new Array("52950020.jpg","untitled 20","canvas"),
    new Array("52950021.jpg","untitled 21","canvas"),
    new Array("52950022.jpg","untitled 22","canvas"),
    new Array("52950023.jpg","untitled 23","canvas"),
    new Array("52950024.jpg","untitled 24","canvas"),
    new Array("52950025.jpg","untitled 25","canvas"),
    new Array("52950026.jpg","untitled 26","canvas"),
    new Array("52950027.jpg","untitled 27","canvas"),
    new Array("52950028.jpg","untitled 28","canvas"),
    new Array("52950029.jpg","untitled 29","canvas"),
    new Array("52950030.jpg","untitled 30","canvas"),
    new Array("52950031.jpg","untitled 31","canvas"),
    new Array("52950032.jpg","untitled 32","canvas"),
    new Array("52950033.jpg","untitled 33","canvas"),
    new Array("52950034.jpg","untitled 34","canvas"),
    new Array("52950035.jpg","untitled 35","canvas"),
    new Array("52950036.jpg","untitled 36","canvas"),
    new Array("52950037.jpg","untitled 37","canvas"),
    new Array("52950038.jpg","untitled 38","canvas"),
    new Array("52950039.jpg","untitled 39","canvas"),
    new Array("52950040.jpg","untitled 40","canvas"),
    new Array("52950041.jpg","untitled 41","canvas"),
    new Array("52950042.jpg","untitled 42","canvas"),
    new Array("52950043.jpg","untitled 43","canvas"),
    new Array("52950044.jpg","untitled 44","canvas"),
    new Array("52950045.jpg","untitled 45","canvas"),
    new Array("52950046.jpg","untitled 46","canvas"),
    new Array("52950047.jpg","untitled 47","canvas"),
    new Array("52950048.jpg","untitled 48","canvas"),
    new Array("52950049.jpg","untitled 49","canvas"),
    new Array("52950050.jpg","untitled 50","canvas"),
    new Array("52950051.jpg","untitled 51","canvas"),
    new Array("52950052.jpg","untitled 52","canvas"),
    new Array("52950053.jpg","untitled 53","canvas")
    );

var paperArray = new Array(
    new Array("52960001.jpg","untitled 1","paper"),
    new Array("52960002.jpg","untitled 2","paper"),
    new Array("52960003.jpg","untitled 3","paper"),
    new Array("52960004.jpg","untitled 4","paper"),
    new Array("52960005.jpg","untitled 5","paper"),
    new Array("52960006.jpg","untitled 6","paper"),
    new Array("52960007.jpg","untitled 7","paper"),
    new Array("52960008.jpg","untitled 8","paper"),
    new Array("52960009.jpg","untitled 9","paper"),
    new Array("52960010.jpg","untitled 10","paper"),
    new Array("52960011.jpg","untitled 11","paper"),
    new Array("52960012.jpg","untitled 12","paper"),
    new Array("52960013.jpg","untitled 13","paper"),
    new Array("52960014.jpg","untitled 14","paper"),
    new Array("52960015.jpg","untitled 15","paper"),
    new Array("52960016.jpg","untitled 16","paper"),
    new Array("52960017.jpg","untitled 17","paper"),
    new Array("52960018.jpg","untitled 18","paper"),
    new Array("52960019.jpg","untitled 19","paper"),
    new Array("52960020.jpg","untitled 20","paper"),
    new Array("52960021.jpg","untitled 21","paper"),
    new Array("52960022.jpg","untitled 22","paper"),
    new Array("52960023.jpg","untitled 23","paper"),
    new Array("52960024.jpg","untitled 24","paper"),
    new Array("52960025.jpg","untitled 25","paper"),
    new Array("52960026.jpg","untitled 26","paper"),
    new Array("52960027.jpg","untitled 27","paper"),
    new Array("52960028.jpg","untitled 28","paper"),
    new Array("52960029.jpg","untitled 29","paper"),
    new Array("52960030.jpg","untitled 30","paper"),
    new Array("52960031.jpg","untitled 31","paper"),
    new Array("52960032.jpg","untitled 32","paper"),
    new Array("52960033.jpg","untitled 33","paper"),
    new Array("52960034.jpg","untitled 34","paper"),
    new Array("52960035.jpg","untitled 35","paper"),
    new Array("52960036.jpg","untitled 36","paper"),
    new Array("52960037.jpg","untitled 37","paper"),
    new Array("52960038.jpg","untitled 38","paper"),
    new Array("52960039.jpg","untitled 39","paper"),
    new Array("52960040.jpg","untitled 40","paper")
    );

function randomCanvas() {
    return canvasArray[Math.floor(Math.random()*canvasArray.length)];
}

function randomPaper() {
    return paperArray[Math.floor(Math.random()*paperArray.length)];
}

function randomPainting() {
    if (Math.random() > 0.500) return randomCanvas();
    else return randomPaper();
}

function writePaintingDiv(painting) {
    document.getElementById('painting').innerHTML =
        '<img alt="" src="img/' + painting[2] + '/large/' + painting[0] + '" />' +
        '<br /><i>' + painting[1] + '</i>&nbsp;|&nbsp;' + painting[2];
}

function writeCanvasDiv() {
    document.getElementById('canvas').innerHTML = generateThumbDiv(canvasArray);
}

function writePaperDiv() {
    document.getElementById('paper').innerHTML = generateThumbDiv(paperArray);
}

function generateThumbDiv(paintingArray) {
    var paintingHTML = '<table cellspacing="15" cellpadding="5" border="0">';
    for (var i=0, len=paintingArray .length; i < len; i++) {
      if (i%2 == 0) paintingHTML += '<tr>';
      paintingHTML += '<td style="border:outset white 1px;" align="center">' +
                    '<a href="#" onclick="writePaintingDiv(' + paintingArray [i][2] + 'Array[' + i + ']);return false;">' +
                    '<img width="90" height="90" alt="" src="img/' +
                    paintingArray [i][2] + '/thumb/' + paintingArray [i][0] + '" /></a>' +
                    '<br /><i>' + paintingArray [i][1] + '</i></td>';
      if (i%2 == 1) paintingHTML += '</tr>';
    }
    paintingHTML += '</table>';
    return paintingHTML;
}