problems with top header

Hello. I have created a website and I am having some problems with 
the title header. The website is at www.chilliwackcameraclub.com. In 
Netscape 7 there is a blue bar the same height as the title image: 
this is the way I want it. However, I sometimes get different results 
in different browsers. IE for Mac works the same, but IE for Windows 
shows blue below the image and Opera 5 for the Mac doesn't go all the 
way down to the bottom of the image. Anybody have any ideas as to why 
this is happening? Following is the relevant code:
CSS code:

#header {
	width: 100%;
	color: white;
	background-color: #33a;
	padding-top: 0px;
	padding-left: 10px;
	padding-right: 5px;
	padding-bottom: 0px;
	margin-bottom: 15px;
	text-align: left;
}

HTML:

	<.div id="header">
		<.h1><.img src="images/clubtitle.jpg" width="300" 
height="72" alt="Chilliwack Camera Club" title="Chilliwack Camera 
Club"></h1>
	</div>

(Note tags written with <.  in email)

Thanks you.
David
-- 
Cheamweb "From the Fraser Valley to the World"
	www.cheamweb.com

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