if is front page (wordpress)
<?php if (is_front_page()) { ?>
<div id="slideshow-side-tab">
<img src="<?php bloginfo('template_directory'); ?>/images/bg-slideshow.png"/>
<div id="slideshow">
<img src="<?php bloginfo('template_directory'); ?>/images/slideshow/image-1.jpg" alt="" class="active" />
<img src="<?php bloginfo('template_directory'); ?>/images/slideshow/image-2.jpg" alt="" />
<img src="<?php bloginfo('template_directory'); ?>/images/slideshow/image-3.jpg" alt="" />
<img src="<?php bloginfo('template_directory'); ?>/images/slideshow/image-4.jpg" alt="" />
</div>
</div>
<?php } ?>