请问这句html语句是什么意思?
<a href="#" onClick="MyWindow=window.open('claroline/help/help_claroline.php','MyWindow','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=400,height=500,left=300,top=10'); return false;"><?php echo $langHelp ?></a>