function init() {
    $("h1 img, #index div.sub_header p a img, ul#sitenav li a img, #footer_websites img, #products_bottom a img, #index div.sub_footer #enroll img").hover(
        function() { this.src = this.src.replace("_off","_on"); },
        function() { this.src = this.src.replace("_on","_off"); }
    );
    
    $("a[rel=external]").attr("target", "_blank");
    
    var $live = $("#live_broadcast");
    if($live){
        $live.css('top', '-43px');
        $(window).load(function(){
            $live.animate( { top:"0px" }, 1500 );
        });
    }
}

$(document).ready(init);