$(document).ready(function() {
    randomMovement($('#logo-r'));
    randomMovement($('#logo-g'));
    randomMovement($('#logo-b'));
    randomOpacity($('#logo-glow'));
});


function randomMovement(target) {
    x = (Math.random() * 6) - 3;
    y = (Math.random() * 6) - 3;
    speed = Math.floor(Math.random() * 300) + 300; 
    
    target.velocity({
        top: y,
        left: x
    }, speed, "swing", function() {
        returnMovement(target);
    });
};

function returnMovement(target) {
    target.velocity({
        top: 0,
        left: 0
    }, 500, "swing", function() {
        randomMovement(target);
    });
};

function randomOpacity(target) {
    o = (Math.random() * .4) + .6;
    
    target.velocity({
        opacity: o
    }, 500, "swing", function() {
        randomOpacity(target);
    });
};

function returnOpacity(target) {
    target.velocity({
        opacity: 0.4
    }, 500, "swing", function() {
        randomMovement(target);
    });
};

@@ -223,30 +223,30 @@
 .random() * 
-6
+4
 ) - 
-3
+2
 ;%0A    y = (M
@@ -264,20 +264,22 @@
 ) * 
-6
+4
 ) - 
-3
+2
 ;%0A    
+//
 spee
@@ -316,17 +316,17 @@
  300) + 
-3
+2
 00; %0A   
@@ -388,21 +388,19 @@
 %0A    %7D, 
-speed
+400
 , %22swing
@@ -546,33 +546,33 @@
  left: 0%0A    %7D, 
-5
+4
 00, %22swing%22, fun
@@ -778,29 +778,29 @@
  %7B%0A        r
-andom
+eturn
 Opacity(targ
@@ -936,32 +936,31 @@
       random
-Movement
+Opacity
 (target);%0A  

Update animate.header.v2.js