var originalWidth, originalHeight;

var shrunk = 200;
var expanded = 300;

function onHover() {
    originalWidth = $(this).width();
    originalHeight = $(this).height();

    moveLeft = Math.floor(originalWidth/4);
    moveTop = Math.floor(originalHeight/4);

    $(this).stop(false, true).animate({
        left: -(moveLeft),
        top: -(moveTop),
        width: expanded,
    },200);
}

function offHover() {
    $(this).stop(false, true).animate({
        left: 0,
        top: 0,
        width: shrunk,
    },200);
}

function initGallery() {
    var imgArray = document.getElementsByTagName("img");
    var galleryObj = document.getElementById("gallery");

    var columns = 3;
    var rows = Math.ceil(imgArray.length/columns);

    var hozInc = 330;
    var vertInc = 220;
}