made url not contain part id when part view closed

parts/static/script.js

@@ -215,8 +215,19 @@ function show_part_info(partID) {
 	});
 
 	// update URL and history
+	update_url(partID);
+}
+
+function update_url(partID){
+	params = {}
 	var query = $('.search-bar').val();
-	window.history.pushState('searching', '', 'parts?q=' + query + '&p=' + partID)
+	if(len(query)>0){
+		params['q'] = query
+	}
+	if(partID != 0){
+		params['p'] = partID
+	}
+	window.history.pushState('searching', '', 'parts?' + jQuery.param(params));
 }
 
 function perform_query() {
@@ -250,8 +261,7 @@ function perform_query() {
 		console.log( "Query failed" );
 	});
 
-	// update URL and history
-	window.history.pushState('searching', '', 'parts?q=' + query)
+	update_url(0);
 }
 
 function container_onchange() {

parts/templates/partsearch.html

@@ -37,7 +37,7 @@
       </tr>
     </table>
     <h3 id="no-results">No results.</h3>
-    <div class="shadow" onclick="overlay_out()"></div>
+    <div class="shadow" onclick="overlay_out();update_url();"></div>
   	<div class="overlay">
       <h2>Part Details</h2>
       <div id="info-container">
@@ -73,7 +73,7 @@
         </div>
       </div>
       <div>
-      <div class="small-square-button"><a href="#" onclick="overlay_out()"><i class="fa fa-times" aria-hidden="true"></i></a></div>
+      <div class="small-square-button"><a href="#" onclick="overlay_out();update_url(0);"><i class="fa fa-times" aria-hidden="true"></i></a></div>
      </div>
   	</div>
     <div class="round-floating-button"><a href="#" onclick="new_entry()"><i class="fa fa-plus" aria-hidden="true"></i></a></div>