jQuery(function($) {

    var urls = ['economicDatabase', 'economicDatabaseOver', 'InvestorsCircular', 'InvestorsCircularover'];

    $.preload(urls, {
        base: '/_catalogs/masterpage/js/ImagePreloader/Images/',
        enforceCache: true,
        ext: '.png'
    });

    $('.economicDatabase').hover(function() {
        $(this).css('background', ' url(/_catalogs/masterpage/js/ImagePreloader/Images/economicDatabaseOver.png) no-repeat');
    },
    function() {
        $(this).css('background', ' url(/_catalogs/masterpage/js/ImagePreloader/Images/economicDatabase.png) no-repeat');
    });

     $('.InvestorsCircular').hover(function() {
        $(this).css('background', ' url(/_catalogs/masterpage/js/ImagePreloader/Images/InvestorsCircularover.png) no-repeat');
    },
    function() {
        $(this).css('background', ' url(/_catalogs/masterpage/js/ImagePreloader/Images/InvestorsCircular.png) no-repeat');
    });


});