Reset the board before loading a game

takhta.html

@@ -806,6 +806,17 @@
 					let moveFile = event.target;
 
 					if(moveFile.error === null) {
+						// reset the board
+						undoAll();
+						moveFuture = [];
+
+						let moveList = document.getElementById("movelist");
+
+						while(moveList.firstChild) {
+							moveList.removeChild(moveList.firstChild);
+						}
+
+						// parse the file
 						let rows = moveFile.result.split("\n");
 
 						for(let row of rows) {
@@ -827,6 +838,10 @@
 				});
 
 				reader.readAsText(file);
+
+				// clear the upload button
+				let hiddenLink = document.getElementById("moveupload");
+				hiddenLink.value = "";
 			});
 		</script>
 	</body>