[ Theme – Twentyten 1.1 ] : – Problem in Menu ( in IE and Firefox )…etc…

Dear Friends ,

Finally I have made my Index.php ( https://ra-china.cn/ispat/ ) but i am facing some Problem in this .. hoping i will get my solution here ??

1] If u visit this site in older version of IE( internet explorer ) or in any version of IE ( internet explorer ) you all will notice that @ index page my menu ( sub-menu ) part are not working but same thing is working well in Firefox( 6.0.8 version ) but in older version of Firefox thats below (3.6.8) same thing is happing

also In IE and older version of Firefox below (3.6.8) if u jump home menu to another menu tab then u can see my Sub menu are working…. but @ INDEX PAGES ..WHY ITS NOT WORKING .. I HAVE TRIED ALL POSSIBLE WAY ….please help me…..

2 ] Can I change my HEADER IMAGE IN ALL PAGES ( THATS see now there is only one common header images in all PAGES ) BUT I WANT ALL TO BE DIFFERENT AS PER PAGES heading ….. i know i have to play with code in HEADER.PHP thats :–

<?php $heading_tag = ( is_home() || is_front_page() ) ? 'h1' : 'div'; ?>
				<<?php echo $heading_tag; ?> id="site-title">

				<?php /*?><span>
						<a href="https://localhost/wp2/?page_id=92" title="Ispat" rel="home">Ispat</a>

					</span>
<?php */?>
					<span>
						<a href="<?php echo home_url( '/' ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a>
					</span>
				</<?php echo $heading_tag; ?>>
				<div id="site-description"><?php bloginfo( 'description' ); ?></div>

				<?php
					// Check if this is a post or page, if it has a thumbnail, and if it's a big one
					if ( is_singular() &&
							has_post_thumbnail( $post->ID ) &&
							( /* $src, $width, $height */ $image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'post-thumbnail' ) ) &&
							<strong>$image[1] >= HEADER_IMAGE_WIDTH ) :
						// Houston, we have a new header image!
						echo get_the_post_thumbnail( $post->ID, 'post-thumbnail' );
					else : ?>
						<img src="<?php header_image(); ?>" width="<?php echo HEADER_IMAGE_WIDTH; ?>" height="<?php echo HEADER_IMAGE_HEIGHT; ?>" alt="" /></strong>

					<?php endif; ?>

above is my header.php … can some one help me ??

I was thinking to make each page header … but it will be long time …

thanking in advance….
shashibhushan