Lost a page when uploading WP to Hosting Service

Hi!

-I have made a WP site, locally on my mac, using MAMP.
-Now I have uploaded the site to the hosting account, which is at One.com.
-Everything is working fine, exept the Welcome.php file, which is brought in to the Header.php using this code.

<?php
	if ( is_front_page() && !is_paged() ) :
	get_template_part( 'velkommen' ) ;
	endif;
	?>

Does anyone know what could be wrong? This welcome.php has images in it, which also has a mouseover effect. Here is an example of the code for one of the images.

<div id="innholdindex1">
	<a href="<?php bloginfo('url');?>/wp-content/themes/childoftwentytwelve/images//kokkenimage.jpg"><img src="<?php bloginfo('url');?>/wp-content/themes/childoftwentytwelve/images//RuneLoyning-191-Halo.jpg" onmouseover="this.src='<?php bloginfo('url');?>/wp-content/themes/childoftwentytwelve/images//kokkenimage.jpg'" onmouseout="this.src='<?php bloginfo('url');?>/wp-content/themes/childoftwentytwelve/images//RuneLoyning-191-Halo.jpg'"/></a>

</div>

Here is the URL for the site: https://rune.loeyning.no/
This file is supposed to show between the logo, and the menu. This is for my exam, so any suggestions will be much appreciated!!:)