</label><br/> <span><select id="scale" required="required" name="scale" onchange="validate_form('exam_instance_setup', '<?php print $stringlib->get_string('create_osce_session_btn_lbl'); ?> ');"><option value="-1">Select a <?php print $stringlib->get_string('osce_session_scale'); ?> ...</option><?php print $scalesStr; ?> </select></span> <span><input type='image' src='<?php print "{$CFG->wwwroot}{$CFG->basedir}/icons/dialog-information.png"; ?> ' BORDER='0' style='vertical-align: text-bottom;' onclick='show_information("<?php print $enumLib->getCriteriaScalesDescription(); ?> "); return false;'/></span><br/> <label for="unit"><?php print $stringlib->get_string('osce_session_unit'); ?> </label><br/> <select id="unit" required="required" name="unit" onchange="validate_form('exam_instance_setup', '<?php print $stringlib->get_string('create_osce_session_btn_lbl'); ?> ');"><option value="-1">Select a <?php print $stringlib->get_string('osce_session_unit'); ?> ...</option><?php print $unitsStr;