<?php
global  $COURSE;

?>
<div align="center">
<iframe width="750px"  align="center" height="300px" src="<?php echo $CFG->wwwroot;?>/mod/voiceauthoring/block_config.php?course_id=<?php echo $COURSE->id?>&block_id=<?php echo $this->instance->id?>" style="overflow:hidden" FRAMEBORDER="0"></iframe>
</div>