1<input name="b" type="button" onclick="location='back.html'" value="Click Here">
2
3<br>
4Only the radio buttons between X's should be checked after clicking the button and going back
5<form>
6<input type="radio" name="old_version" value="12"> 
7<input type="radio" name="version" value="12">
8
9X<input type="radio" name="old_version" value="11"  checked="checked"> X
10<input type="radio" name="version" value="11">
11
12<input type="radio" name="old_version" value="10"> 
13X<input type="radio" name="version" value="10" checked="checked">X
14
15<input type="radio" name="old_version" value="9"> 
16<input type="radio" name="version" value="9">
17
18<input type="radio" name="old_version" value="8"> 
19<input type="radio" name="version" value="8">
20
21<input type="radio" name="old_version" value="7"> 
22<input type="radio" name="version" value="7">
23
24<input type="radio" name="old_version" value="6"> 
25<input type="radio" name="version" value="6">
26
27<input type="radio" name="old_version" value="5"> 
28<input type="radio" name="version" value="5">
29
30<input type="radio" name="old_version" value="4"> 
31<input type="radio" name="version" value="4">
32
33<input type="radio" name="old_version" value="3"> 
34<input type="radio" name="version" value="3">
35
36<input type="radio" name="old_version" value="2"> 
37<input type="radio" name="version" value="2">
38
39<input type="radio" name="old_version" value="1"> 
40<input type="radio" name="version" value="1">
41
42<input type="radio" name="old_version" value="0"> 
43<input type="radio" name="version" value="0">
44</form>
45<br>
46<iframe></iframe>