<div id="enter-button">
<div id="login-wrap"><div id="login-block">
sendFrm549077=function(){
var o=document.getElementById('frmLg549077');
var pos=_umlGetCoord(document.getElementById('frmLg549077'));
document.body.insertBefore(document.getElementById('blk549077'),document.body.firstChild);
with(document.getElementById('blk549077')){style.top=(pos['top'])+'px'; style.left=(pos['left'])+'px';style.width=o.offsetWidth;style.height=o.offsetHeight;style.display=''; innerHTML='<div align="left" style="padding:5px;"><div class="myWinLoad"></div></div>';}
uz.util.Connect.setForm('frmLg549077');
var cObj = uz.util.Connect.asyncRequest('POST','http://iucoz.ru/index/',callback);
}
<div id="blk549077" style="border:1px solid #CCCCCC;position:absolute;z-index:82;background:url('http://s4.ucoz.net/img/fr/g.gif');display:none; "></div><form id="frmLg549077" method="post" style="margin:0" /><div class="login-form">
<div class="login-close"></div>
<h2 style="text-align: center;" />Авторизация</h1>
<table border="0" cellspacing="1" cellpadding="2" width="180">
<tr><td width="20%" nowrap="nowrap">Логин:</td><td><input class="loginField" type="text" name="user" value="value" size="20" style="width:100%;" maxlength="50" /></td></tr>
<tr><td>Пароль:</td><td><input class="loginField" type="password" name="password" size="20" style="width:100%" maxlength="15" /></td></tr>
</table>
[url=$REMINDER_LINK$] | <a href="$REGISTER_LINK$">Регистрация[/url]
</table>
</div></div></div>
<div id="wrap" />
<div style="clear: both;" />
</div>