added multipage printing

index.html

@@ -14,6 +14,11 @@
             <option value="cm">Centimetres</option>
             <option value="in">Inches</option>
         </select> <br>
+	<label for="p">Paper size: </label>
+	<select id="p">
+		<option value="a3">A3</option>
+		<option value="a4">A4</option>
+	</select> <br>
         <label for="h">Height of parachute (h):</label>
         <input type="number" id="h" min="0"/><br>
         <label for="r">Radius of parachute (r):</label>