Всем доброго времени суток. Вот код:

#left {
background-color: rgb(57,57,57);
BACKGROUND-IMAGE: url(news_logo.jpg);
BACKGROUND-POSITION: 25px 0px;
BACKGROUND-REPEAT: no-repeat;
MARGIN-TOP: 15px;
WIDTH: 255px;
HEIGHT: 100%;
border-style:dashed;
border-width: 1px;
border-color: rgb(57,57,57); float: left
}

#right {
WIDTH: 1px; HEIGHT: 100%; float: right; border-style:dashed
}

#main {
BACKGROUND-POSITION: 25px top;
BACKGROUND-IMAGE: url(records_logo.jpg);
background-color: rgb(57,57,57);
BACKGROUND-REPEAT: no-repeat;
MARGIN: 15px 0px;
HEIGHT: 490px;
border-style:dashed;
width:100%
}



............................
<DIV id=left>
<DIV class="news_block first">
<P class=news_bolck_header>March 31, 2003<BR><FONT color=white>Create once, Share Anyware</FONT></P>
<P class=news_bolck_text>Seminar OnDemand shows the best way to electronically distribute Microsoft Office documents that look exactly like your original, regardless of the recipient's hardware or software. </P>
</DIV>
<DIV class=news_block>
<P class=news_bolck_header>March 31, 2003<BR><FONT color=white>Beyond PDF Creation</FONT></P>
<P class=news_bolck_text>Seminar OnDemand shows the best way to electronically distribute Microsoft Office documents that look exactly like your original, regardless of the recipient's hardware or software. </P>
</DIV>
<DIV class="news_block last">
<P class=news_bolck_header>March 31, 2003<BR><FONT color=white>Whach You See Is What They Get</FONT></P>
<P class=news_bolck_text>Seminar OnDemand shows the best way to electronically distribute Microsoft Office documents that look exactly like your original, regardless of the recipient's hardware or software. </P>
</DIV>
</DIV>

<div id=right></div>

<DIV id="main">
<DIV id=main_content>
<DIV id=main_add>
<DIV id=main_add_up>
<img src="treug.jpg" id="treug"><i class=news_bolck_header style="font-style: normal">March 31, 2003<i>
</DIV>
<DIV id=main_add_middle>
<p class="news_bolck_text" style="margin-top:5px">New Release!</p>
<p class="news_bolck_text">ToykoDawn Records finnaly made the debut. 1st EP/CD release is now available in the shops</p>
</DIV>
<DIV id=main_add_bottom><A href="#" id="read_more">   Read More ></A></DIV>
</DIV>
</DIV>
</DIV>

В результате получается наслойка слоя left на main. Файл прикрепляю. Первый раз столкнулся с таким. Как быть? Заранее, спасибо.