Guenter Hilmer - Phd Thesis - Glamorgan Dspace - University of ...

A.5 XSL-Documents A APPENDICES
//no navigation is done, only a alert is displayed
if(actualPosition=="theory")
{
alert("You are at the starting position");
}
else
{
//second case, the user is at the proof element
//the position will be set to the example element and the example content displayed
if(actualPosition=="proof")
{
displayContent(theory);
actualPosition="theory";
}
else
{
//third case, the user is at the example element
//the position will be set to the proof element and the proof content displayed
if(actualPosition=="example")
{
displayContent(proof);
actualPosition="proof";
}
}
}
}
}
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