$(document).ready(function(){
    $('#qssubmit').hover(
        function(){ // Change the input image's source when we "roll on"
            $(this).attr({ src : 'search-button-hover.gif'});
        },
        function(){ // Change the input image's source back to the default on "roll off"
            $(this).attr({ src : 'search-button.gif'});             }
    );
	$('#pubs-qssubmit').hover(
        function(){ // Change the input image's source when we "roll on"
            $(this).attr({ src : 'search-button-hover.gif'});
        },
        function(){ // Change the input image's source back to the default on "roll off"
            $(this).attr({ src : 'search-button.gif'});             }
    );
});