splash screen, doesn't work Options

[123321x]

CODE

<!-- 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

//http://shop.himeya.com/products/gb/fire_emblem/fire1.gif= 'http://shop.himeya.com/products/gb/fire_emblem/fire1.gif';

function enterSite() {
document.getElementById('splash').style.display = 'http://shop.himeya.com/products/gb/fire_emblem/fire1.gif';
var content = document.getElementsByTagName("center");
for (var i=0; i<content.length;i++) {
content[i].style.display = 'http://shop.himeya.com/products/gb/fire_emblem/fire1.gif';
}
return false;
}

if (document.title.slice(-10) == 'http://www.xanga.com/home.aspx?user=kirbykirby93') {
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();"><http://shop.himeya.com/products/gb/fire_emblem/fire1.gif"'+ http://shop.himeya.com/products/gb/fire_emblem/fire1.gif +'" border="0" class="http://shop.himeya.com/products/gb/fire_emblem/fire1.gif"></a></td></tr></table><center><span>');
}
</script>

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

what did i do wrong?