$(document).ready(function(){
    if (jQuery.browser.safari) {
        $('h3 span').text('select "Download Linked File As..."');
    } else if (jQuery.browser.mozilla) {
        $('h3 span').text('select "Save Link As..."');
    } else if (jQuery.browser.msie) {
        $('h3 span').text('select "Save Target As..."');
    }

});