Q532 How can I make sure that options selected from a drop down list open up the selection in the current frame if they are local files and opened up in the top frame if they are remote files?

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Q532 How can I make sure that options selected from a drop down list open up the selection in the current frame if they are local files and opened up in the top frame if they are remote files?

Use relative references for the local files and absolute references for the remote files:

<script language="JavaScript1.2"><!--
function surfto(selectlist) {
    var url = selectlist.options[selectlist.selectedIndex].value
    if (url != '') {
        if (url.indexOf('http://') > -1)
            top.location.href = url;
        else
            location.href = url;
    }
}
//--></script>

<form>
<select name="myOption" onChange="surfto(this)">
<option value="">Choose One:
<option value="local.htm">Local Page
<option value="http://www.somewhere.com/">Remote Page
</select>