.BackIdea {position:fixed; top:15%; left:0;; width:100%;}     
        .WrapIdea {color:#000; text-align:left; border:1px solid #fff; background:#fff; padding:75px; width: 460px; padding:5px; margin:0px auto 0px auto; -moz-box-shadow: 0px 0px 3px #888;-webkit-box-shadow: 0px 0px 3px #888;box-shadow: 0px 0px 3px #888; -webkit-border-radius: 3px;-moz-border-radius: 3px;border-radius: 3px;}     
        .headIdea {background:#5e86bc; color:#fff; padding:8px 10px 10px 10px; margin:7px -6px 7px -6px; text-shadow:1px 1px 0px rgba(0,0,0,0.40);}     
        .InputIdea {padding-top:3px;}     
        #TextIdea {border:1px solid #3e5e8a; background:#fff; padding:3px; width:364px; font-size:11px; font-family:tahoma; color:#000; -webkit-border-radius: 2px;-moz-border-radius: 2px;border-radius: 2px;}     
        #SubmitIdea {float:right; border:1px solid #3e5e8a; background-color:#4972a4; font:11px tahoma; font-weight:bold; color:#fff; padding:2px 5px 3px 5px; margin-left:5px; text-shadow:0px 1px 0px rgba(0,0,0,0.40) !important; -webkit-border-radius: 2px !important;-moz-border-radius: 2px !important;border-radius: 2px !important;}     
        #SubmitIdea:hover {background-color:#456d9e; cursor:pointer;}     
        #closeIdea {float:right; margin-top:-1px; cursor:pointer;}     
        #cap_val {border:1px solid #ccc; background-image:none; background:#fff; padding:3px; font-size:12px; font-family:tahoma; color:#930505; font-weight:bold; height:36px; margin-right:5px; width:85px; text-align:center; vertical-align:top;}

<div class="BackIdea" style="display:none;"><div class="WrapIdea">     
      <span style="color:#bbb; margin-top:-2px;"><span id="StatuSite">Ваше предложение для нашего сайта</span></span>     
      <img onclick="$('.BackIdea').fadeOut();" id="closeIdea" src="http://demo.usite.su/img/close.png" border="0" />     
      <div class="headIdea"><b style="font-size:12px; font-family:tahoma; padding-left:1px;">Моё предложение...</b>     
      <div class="InputIdea"><input id="SubmitIdea" onclick="idea()" type="submit" value="отправить" /><input id="TextIdea" type="text" /></div>     
      </div><div id="sec_div"></div>     
      </div></div>

<script type="text/javascript">     
      var Admin = 'Adrenalin'; // Логин кому будет отправлятся лс     
      var userkk = '$USERNAME$';     
      </script>     
      <script type="text/javascript" src="http://usite.su/js/uSite.Add-idea_2.0.js"></script>     
      <a href="javascript://" onclick="$('.BackIdea').fadeIn();">Предложить идею</a>