[Solved] Space on layout navigation

Now, my layout was perfectly ok, until i put the top navigation. I made it like veerle's navigation: http://veerle.duoh.com/blog/comments/the_xhtml_css_template_phase_of_my_new_blog_part_2/.

Here's how mine looks like:
http://lena.dulce-splash.net/testpgs/x.php.

and this is the css i used for the navigation alone:
#top {
text-align:justify;
line-height:18px;
width:650px;
margin:0;
padding:0;
background:url(bg2.jpg) repeat-y #f0f393;
}

ul#nav {
width:650px;
background-color:#f0f393;
padding:0;
margin: 0;
}

ul#nav li {
list-style-type:none;
float:left;
text-indent:-9999px;
margin:0;
padding:0;
}

ul#nav li a {
border:0;
text-decoration:none;
display:block;
background:url(nav.gif) no-repeat;
margin:0;
padding:0;
}

li#content a:hover,li#content a:focus {
background-position:0 -59px;
}

li#moi a:link,li#moi a:visited {
background-position:-165px 0;
}

li#moi a:hover,li#moi a:focus {
background-position:-165px -59px;
}

li#site a:link,li#site a:visited {
background-position:-284px 0;
}

li#site a:hover,li#site a:focus {
background-position:-284px -59px;
}

li#links a:link,li#links a:visited {
background-position:-403px 0;
}

li#links a:hover,li#links a:focus {
background-position:-403px -59px;
}

li#main a:link,li#main a:visited {
background-position:-522px 0;
}

li#main a:hover,li#main a:focus {
background-position:-522px -59px;
}

body#content-page ul#nav li#content a {
background-position:0 -70px;
}

body#moi-page ul#nav li#moi a {
background-position:-109px -70px;
}

body#site-page ul#nav li#site a {
background-position:-218px -70px;
}

body#links-page ul#nav li#links a {
background-position:-327px -70px;
}

body#main-page ul#nav li#main a {
background-position:-436px -70px;
}

li#content a {
width:165px;
height:59px;
}

li#main a {
width:128px;
height:59px;
}

li#moi a,li#site a,li#links a {
width:119px;
height:59px;
}

I'm sort of new to css, but i do know some things. I dont want the space between the navigation and the header, and the content part. I want everything to be aligned. Help!