$(document).ready(function(){
	   $('#send_acesso').hover(
            function(){ // Change the input image's source when we "roll on"
                $(this).attr({src:'img/bt_ok_hover.gif'});
            },
            function(){ // Change the input image's source back to the default on "roll off"
                $(this).attr({src:'img/bt_ok.gif'});   
    	});
		});
  $(document).ready(function(){
	   $('#submit').hover(
            function(){ // Change the input image's source when we "roll on"
                $(this).attr({src:'img/bt-seja-hover.gif'});
            },
            function(){ // Change the input image's source back to the default on "roll off"
                $(this).attr({src:'img/bt-seja.gif'});   
    	});
		});