$(document).ready(function(){
   

    $('.focus').pulse({
        opacity: [0,1]
    }, { 
        duration: 2500,
        times: 999999    
    });
    
        $('.blur').pulse({
        opacity: [1,0]
    }, { 
        duration: 2500,
        times: 999999    
    });
    
    $("#header").hover(
function() {
$("img.focus").stop().animate({"opacity": "0"}, "normal");
$("img.blur").stop().animate({"opacity": "1"}, "normal");
},
function() {
$("img.focus").stop().animate({"opacity": "1"}, 1500);
$("img.blur").stop().animate({"opacity": "0"}, 1500);

    $('.focus').pulse({
        opacity: [0,1]
    }, { 
        duration: 2500,
        times: 999999    
    });
    
        $('.blur').pulse({
        opacity: [1,0]
    }, { 
        duration: 2500,
        times: 999999    
    });
});
    
  
});