EE - Assets - Index.html - If Statement Issue

EE - Assets - Index.html - If Statement Issue

{exp:channel:entries channel="home"}
{embed="embeds/_header-meta" }
<!-- END HEADER INCLUDE -->

<style>

</style>

<div class="sliderContainer fullWidth clearfix">
	<div id="full-width-slider" class="royalSlider rsDefault heroSlider rsMinW">


		{if "{slider_images:total_files}" > 0 }
		{slider_images}
		<div class="rsContent">
			<img src="{url}" alt="{alt_text}" class="rsImg" />
			{if desc !=''}
			<div class="rsCaption">
				<h2>{title}</h2>
				<p>{desc}</p>
				{if "{location}" !=''}<a href="{location}" class="read-more">Find Out More</a>{/if}
				{if "{author}" !=''}<a class="read-more clearfix">Image by: {author}</a>{/if}
			</div>
			<div class="rsABlock" data-move-offset="200" data-move-effect="right">
				<div class="triangle"></div>
			</div>
			<div class="rsABlock triangle-content" data-move-offset="200" data-delay="600">
				<h2>{title}</h2>
				<p>{desc}</p>
				{if "{location}" !=''}<div class="credit"> <span><a href="{location}" class="read-more">Find Out More</a></span></div>{/if}
				{if "{author}" !=''}<div class="credit">Image by: <span> {author}</span></div>{/if}
			</div>
			{/if}
		</div>
		{/slider_images}
		{/if}
	</div>
	<div id="caption-section" class="clearfix"></div>
</div>

<!-- START FOOTER INCLUDE -->
{embed="embeds/_footer-meta" stick-footer="false"}
{/exp:channel:entries}