try to fix pdf bug 1

wiki/pages/entrepreneurship.html

@@ -77,7 +77,7 @@
         carried out precise calculations to develop a reasonable pricing strategy. Here is our investigation report.
       </p>
     </div>
-    <iframe class="desc-content-pdf" src="https://docs.google.com/gview?url=https://static.igem.wiki/teams/5015/wiki/entre/market-report-2.pdf"
+    <iframe id="iframePDF" class="desc-content-pdf" src="https://static.igem.wiki/teams/5015/wiki/entre/market-report-2.pdf"
       width="100%" height="600px"></iframe>
     </br />
     <div class="descrption-article-text">
@@ -121,7 +121,7 @@
         thus contributing to the brighted prospect of the industry.</p><br>
       <p>Here is our business plan:</p>
     </div>
-    <iframe class="desc-content-pdf" src="https://docs.google.com/gview?url=https://static.igem.wiki/teams/5015/wiki/entre/business-proposal-2-2.pdf"
+    <iframe class="desc-content-pdf" src="https://static.igem.wiki/teams/5015/wiki/entre/business-proposal-2-2.pdf"
       width="100%" height="600px"></iframe>
     </br />
     </br />
@@ -211,7 +211,7 @@
       <br>
       <p>Here is our Community Economic Revitalization Plan:</p>
     </div>
-    <iframe class="desc-content-pdf" src="https://docs.google.com/gview?url=https://static.igem.wiki/teams/5015/wiki/entre/charity-project-4.pdf"
+    <iframe class="desc-content-pdf" src="https://static.igem.wiki/teams/5015/wiki/entre/charity-project-4.pdf"
       width="100%" height="600px"></iframe>
     </br />
     </br />
@@ -245,7 +245,7 @@
     <a href="#a1">
       <div class="sidebar-item flex-row align-center">
         <div class="sidebar-item-circle"></div>
-        <div class="sidebar-item-text">Introduction</div>
+        <div class="sidebar-item-text">Introduction [1] </div>
       </div>
     </a>
     <a href="#a2">
@@ -297,7 +297,7 @@
 </div>
 
 <script>
-  document.getElementsByTagName("iframe").contentWindow.onload = function() {
+  document.getElementsById("iframePDF").contentWindow.onload = function() {
       this.document.getElementsByTagName("img")[0].style.width="100%";
   };
   </script>