Fix more relative links #7

Author: jak-ing

index.html

@@ -218,7 +218,7 @@ <h3 class="text-orange text-center">Giga</h3>
 			</div>
 			<div class="row sponsors-giga">
 				<div class="col-md-12">
-					<a href="http://sap.com/" class="sponsor" target="_blank"><img src="./assets/sap.png"></a><a href="https://www.pfizer.de/" class="sponsor" target="_blank"><img src="assets/pfizer_internet_logo2.png"></a>				</div>
+					<a href="http://sap.com/" class="sponsor" target="_blank"><img src="./assets/sap.png"></a><a href="https://www.pfizer.de/" class="sponsor" target="_blank"><img src="./assets/pfizer_internet_logo2.png"></a>				</div>
 			</div>
 
 			<div class="row">
@@ -228,7 +228,7 @@ <h3 class="text-orange text-center">Mega</h3>
 			</div>
 			<div class="row sponsors-mega">
 				<div class="col-md-12">
-					<a href="https://www.biotronik.com/" class="sponsor" target="_blank"><img src="./assets/biotronik.png"></a><a href="http://gesundheitscloud.de/" class="sponsor" target="_blank"><img src="assets/gesundheitscloud.png"></a>				</div>
+					<a href="https://www.biotronik.com/" class="sponsor" target="_blank"><img src="./assets/biotronik.png"></a><a href="http://gesundheitscloud.de/" class="sponsor" target="_blank"><img src="./assets/gesundheitscloud.png"></a>				</div>
 			</div>
 
 			<div class="row">