<div id="box-top">//
<div class="ct-header ct-inner-hd">//
<div class="box">//
<div class="ct-quick-actn">//
< div id= "box-top" > / / this is the main div that contains two, three, four levels
the second level in the first level
the third level in the second level
the fourth level in the third level
needs to use JS to hide the fourth level for advice
?
is the fourth level hidden according to the first level? Or just hide level 4?
$("-sharpbox-top .ct-quick-actn").hide()
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