function Clean4Print( tag_id )
{
var ref = document.getElementById( tag_id );
clean_popup = window.document.open( "about:blank","","");
clean_popup.document.write('\n\n'+document.title+'\n\n\n\n');
clean_popup.document.write('\n' );
// output all sections marked with tag_id
while (ref!=null)
{
clean_popup.document.write( ref.innerHTML + '\n' );
ref = ref.nextSibling;
}
clean_popup.document.write('
\n\n');
}