$(document).ready(function () {

    $("ul.thumb li").hover(function () {
        $(this).css({ 'z-index': '10' }); /*Add a higher z-index value so this image stays on top*/
        $(this).find('img').addClass("hover").stop() /* Add class of "hover", then stop animation queue buildup*/
		.animate({
		    marginTop: '-230px', /* The next 4 lines will vertically align this image */
		    marginLeft: '-230px',
		    top: '50%',
		    left: '50%',
		    width: '620px', /* Set new width */
		    height: '435px', /* Set new height */
		    padding: '20px'
		}, 200); /* this value of "200" is the speed of how fast/slow this hover animates */

    }, function () {
        $(this).css({ 'z-index': '0' }); /* Set z-index back to 0 */
        $(this).find('img').removeClass("hover").stop()  /* Remove the "hover" class , then stop animation queue buildup*/
		.animate({
		    marginTop: '0', /* Set alignment back to default */
		    marginLeft: '0',
		    top: '0',
		    left: '0',
		    width: '290px', /* Set width back to default */
		    height: '180px', /* Set height back to default */
		    padding: '0'
		}, 400);
    });

});