$(document).ready(function(){
    // hover function for inputs and images
        $('.hover').hover(function(){
    		$(this).attr('src', $(this).attr('src').replace(/\.(\w{3})/g, "Hover.$1"));
    	},function() {
    		$(this).attr('src', $(this).attr('src').replace(/Hover\.(\w{3})/g, ".$1"));
    	});	

});