Problem with my site - please help

Hi everyone
Recently I have re built a site , its called
when I open it, it goes to homepage which is very disorganized and the theme is all screwed up.
How do i fix that?
The other pages are working just fine like or
page used to be like that , but then i touched an ftp file i think

is there a way to fix this?
please help
also I can not even loggin to my panel

<html lang="en-US" dir="ltr" xmlns="">
<head><style type="text/css">.fb_hidden{position:absolute;top:-10000px;z-index:10001}



<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">

<title>SlickUnderground.Com  </title>

<meta content="WordPress 3.1.2" name="generator"> <!-- leave this for stats -->

<link media="screen" type="text/css" href="" rel="stylesheet">
<link href="" title="SlickUnderground.Com RSS Feed" type="application/rss+xml" rel="alternate">
<link href="" rel="pingback">

<!--[if IE]>
<style type="text/css">
#sidebar #calendar {

<link media="all" type="text/css" href="" id="rate-css" rel="stylesheet">
<link media="all" type="text/css" href="" id="sociable3-css" rel="stylesheet">
<script type="text/javascript" async="" src=""></script><script type="text/javascript" async="" src=""></script><script src="" type="text/javascript"></script>
<script src="" type="text/javascript"></script>
<script src="" type="text/javascript"></script>
<script src="" type="text/javascript"></script>
<script src="" type="text/javascript"></script>
<script src="" type="text/javascript"></script>
<style type="text/css">img.nothumb{border:0;margin:0 0 0 2px !important;}</style>
<!-- Tweet This v1.8.2 b036 mode alpha -->

<script charset="utf-8" type="text/javascript">
<link href="" title="RSD" type="application/rsd+xml" rel="EditURI">
<link href="" type="application/wlwmanifest+xml" rel="wlwmanifest"> 
<link href="" title="SlickUnderground.Com" rel="index">
<meta content="WordPress 3.1.2" name="generator">
<link href="" rel="shortlink">

 <!-- AStickyPostOrderER (Version: 0.3.1) -->

<!-- Comment Rating plugin Version: 2.9.24 by Bob King,, dynamic comment voting & styling. --> 
<style media="screen" type="text/css">

<div id="fb-root" class=" fb_reset"><script async="" src=""></script><div style="position: absolute; top: -10000px; height: 0pt; width: 0pt;"><div><iframe scrolling="no" id="f24d99326e5230c" name="f7dd35d60a0b4" style="border: medium none; overflow: hidden; height: 240px; width: 575px;" class="FB_UI_Hidden" src=""></iframe></div></div></div>
<link href="" type="text/css" rel="stylesheet">
<script src="" type="text/javascript"></script><link href="" type="text/css" rel="stylesheet"><link media="screen" type="text/css" href="" rel="stylesheet">   <link media="screen" type="text/css" href="" rel="stylesheet">

<div id="logo">

looks like you have a lot of your head in your body…
these are incorrectly defined:


there should only be one and it should be your site

so i’d guess you messed up both your wp-config file and your theme

ya i think i did
can you help me out man? I don’t know much about coding, i know a bit but its confusing me