/**
 * jQuery.AspectRatio plugin
 *
 * Copyright (c) 2008 Steven Rogers (http://www.therogerdodger.com/)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */
jQuery.fn.AspectRatio = function()
{    
    var imgR = (this.height() / this.width());
    var containerR = (this.offsetParent().outerHeight() / this.offsetParent().outerWidth());

    if (imgR > containerR) 
        this.height(this.offsetParent().outerHeight());
    else 
        this.width(this.offsetParent().outerWidth());
    
    return this;
};