Checkbuttons  
 
This is a collection of scripts that may be used for building interactive courseware. You can use the scripts for free. However, we would be happy if you could mention the source in the acknowledgements.  
Checkbuttons change their value depending on correct or incorrect answers.
What does that mean? 

     Javascript is great!
      It works perfectly with MS-IE! 
      Ever seen that before? 
      Will you come back?

Better examples are here.
The source  
<FORM> 
<ul> 
<INPUT type=button value=" ? " onClick='this.value=" V ";'> Javascript is great!<br> 
<INPUT type=button value=" ? " onClick='this.value=" - ";'> It works perfectly with MS-IE!<br> 
<INPUT type=button value=" ? " onClick='this.value=" - ";'> Ever seen that before?<br> 
<INPUT type=button value=" ? " onClick='this.value=" V ";'> Will you come back?<br> 
</ul> 
</FORM>
 
Stefan Krumm  
Institut für Geologie, Schloßgarten 5, 91054 Erlangen  
krumm@geol.uni-erlangen.de