function openAuthPopup(){
var arrayPageSize = getPageSize();
var arrayPageScroll = getPageScroll();

var authBlock = document.getElementById('authBlock');
var authTable = document.getElementById('authTable');

if (navigator.appName != 'Microsoft Internet Explorer')
{
document.getElementById('authBlock').style.backgroundImage='url(/i/overlay.png)';
}
authBlock.style.height = (arrayPageSize[1] + 'px');
authBlock.style.display = 'block';
document.getElementById('authContainer').style.top = arrayPageScroll[1] + ((arrayPageSize[3] - 218) / 2);

// прячем весь flash
objects = document.getElementsByTagName('object');
for(i = 0; i < objects.length; i++) {
objects[i].style.visibility = 'hidden';
}
embedItems = document.getElementsByTagName('embed');
for(i = 0; i < embedItems.length; i++) {
embedItems[i].style.visibility = 'hidden';
}
}

<div id="authBlock" style="display: none;" align="center">
<div id="authContainer" style="position: relative;">
<table width="321" height="221" cellspacing="0" cellpadding="0" border="0" align="center" id="authTable">
<tr valign="top">
<td class="loginForm">
<form method="post" action="http://indarnb.ru/registration/auth/" style="margin: 0px;">
<input type="hidden" name="returnPath" value="/respect-battle/rap/">
<input type="hidden" value="do" name="do">
<table width="100%" cellspacing="10" cellpadding="0" border="0">
<tr>
<td colspan="2" class="authHeader">Авторизация</td>
</tr>
<tr>
<td></td>
<td width="99%"><a href="/registration/">Регистрация</a></td>
</tr>
<tr>
<td style="padding-left: 5px;"><label for="login">Логин:</label></td>
<td style="padding-right: 5px;"><input id="login" type="text" value="" name="login" maxlength="20" class="text"></td>
</tr>
<tr>
<td style="padding-left: 5px;"><label for="password">Пароль:</label></td>
<td style="padding-right: 5px;"><input id="password" type="password" name="password" maxlength="20" class="text"></td>
</tr>
<tr>
<td></td>
<td>
<table width="100%" cellspacing="0" cellpadding="0" border="0">
<tr valign="top" class="authAddInfo">
<td width="1%"><input type="checkbox" id="rememberUser" value="1" name="rememberUser"></td>
<td>
<label for="rememberUser">не&nbsp;спрашивать 2&nbsp;недели</label>
<div style="padding: 2px 0 0;"><a href="/registration/remind/">Напомнить пароль?</a> </div>
</td>
</tr>
<tr valign="top">
<td></td>
<td>
<input type="submit" value="Войти" name="do" class="button" style="margin-right: 10px;"><input type="button" onclick="closeAuthPopup(); return false;" value="Закрыть" class="button">
</td>
</tr>
</table>
</td>
</tr>
</table>
</form>
</td>
</tr>
</table>
</div>
</div>