$(document).ready(function(){
	jQuery.preloadimages = function() {
		for(var i = 0; i<arguments.length; i++) {
			jQuery("<img>").attr("src", arguments[i]);
		}
	}
	
	$.preloadimages("images/nav-ibio-over.gif", "images/nav-ibooks-over.gif", "images/nav-ifaq-over.gif",
					"images/nav-iblog-over.gif", "images/nav-icontact-over.gif", "images/nav-imedia-over.gif", "images/nav-ievents-over.gif", 
					"images/nav-ifun-over.gif", "images/inav-evermore-over.gif", "images/inav-darkflame-over.gif", "images/inav-shadowland-over.gif",
					 "images/inav-bluemoon-over.gif", "images/i-butterfly-over.gif", "images/i-heart-over.gif", "images/i-flower-over.gif");


    $(".hoverswap").hover(
        function () {
            $(this).attr("src", $(this).attr("src").replace(/.gif/, "-over.gif"));
        },
        function () {
            $(this).attr("src", $(this).attr("src").replace(/-over.gif/, ".gif"));
        }
    );


});