intro splash.....is not working!!!!, helppppppppp Options

[kc_carrie]

I was trying to use this intro splash code...but it didn't work for some reason....but i am using premium skin,so does that matter if i use premium?because i was trying to put the code in the xanga skin page....but nothing happen..can u fix that?please help meeeeee!
by the way..i am new to here..yeah!welcome me!
this is the code i was trying to use:

<!-- begin code provided by createblog.com -->

<script type='text/javascript'>
// intro splash page by micron
// for more xanga scripts and help go to createblog.com

// change this url to an image of your choice
var image = 'http://indy.collevea.com/stuff/warsendkiss.jpg';

function enterSite() {
document.getElementById('splash').style.display = 'none';
var content = document.getElementsByTagName("center");
for (var i=0; i<content.length;i++) {
content[i].style.display = 'block';
}
return false;
}

if (document.title.slice(-10) == 'Xanga Site') {
document.write('</span></center><style type="text/css"> center {display:none;} .image {border:1px solid #dcdcdc;} </style><table height="100%" width="100%" id="splash"><tr><td align="center" valign="middle" style="text-align:center !important;"><a href="#" onclick="return enterSite();"><img src="'+ image +'" border="0" class="image"></a></td></tr></table><center><span>');
}
</script>

<!-- end code provided by createblog.com -->

[kc_carrie]

does anyone know the code for custom header?
so i can try to include that to put in my skin page...thanks!