/**
 * QUINO INCORPORATED
 *
 * Javascript
 *
 * copyright Copyright (C) 2009 Quino, Inc. All Rights Reserved.
 */

/**
 * swap()
 *
 * param String afterString
 * retun void
 */
function swap(afterString)
{
    var imgCache = new Object();
	$('img.swap').each(function(i)
	{
        var src = this.src;
        var dot = src.lastIndexOf('.');
        var on  = src.substr(0, dot) + afterString + src.substr(dot);

		imgCache[i] = new Image;
        imgCache[i].src = on;

		$(this).hover(
            function() { $(this).attr('src', on)  },
            function() { $(this).attr('src', src) }
		);
    });
}

/* Document Ready */
$(function()
{
	swap('_over');
});