Open file "index.htm" located in softecartjs folder and find following code snippet and edit accordingly.
*set logo for your shopping cart
*set main title for your shopping cart
*set sub title for your shopping cart
*set short description for your shopping cart
<div class="start_up">
<img src="images/logo.jpg" border="0"/>
<h1>SoftEcartJS Main Title</h1><center><h2>SoftEcartJS Sub Title</h2><h3>SoftEcartJS Short Description</h3></center>
</div>