MACROMEDIA DREAMWEAVER 8-EXTENDING DREAMWEAVER Manual page 205

var selFile = selFiles[i];
// For server connections, the files will
// already be remote URLs.
if (selFile.indexOf("://") == (-1))
{
var urlPrefix = "file:///";
var strTemp = selFile.substr(urlPrefix.length);
if (selFile.indexOf(urlPrefix) == -1)
bHavePreviewTarget = false;
else if (strTemp.indexOf("/") == -1)
bHavePreviewTarget = false;
else if (!DWfile.exists(selFile))
bHavePreviewTarget = false;
else if (DWfile.getAttributes(selFile).indexOf("D") != -1)
bHavePreviewTarget = false;
}
else
{
bHavePreviewTarget = true;
}
}
}
}
}
else if (dw.getFocus() == 'document' ||
dw.getFocus() == 'textView' || dw.getFocus("true") == 'html' )
{
var dom = dw.getDocumentDOM('document');
if (dom != null)
{
var parseMode = dom.getParseMode();
if (parseMode == 'html' || parseMode == 'xml')
bHavePreviewTarget = true;
}
}
return bHavePreviewTarget;
}
A dynamic menu example 205