You can control the expand direction of an item by settings the $ExpandDirection of $GroupSettings of that item
$item = $km->Add("root","edit","Edit");
$item->GroupSettings->ExpandDirection = "Up";
span style="color: #ff0000;">"/KoolMenu/koolmenu.php""km");
$km->scriptFolder = $KoolControlsFolder."/KoolMenu";
$km->styleFolder="default";
$item = $km->Add("root","file","File""Down";
$km->Add("file","new","New...");
$km->Add("new","newfile","File");
$km->Add("new","newfolder","Folder");
$km->AddSeparator("file");
$km->Add("file","open","Open");
$km->Add("file","close","Close");
$km->Add("file","save","Save");
$item = $km->Add("file","saveas","Save as ...""file","permission","Permission");
$km->Add("permission","unrestrict","Unrestricted Access");
$km->Add("permission","donotattribute","Do not attribute");
$item = $km->Add("root","edit","Edit""Up";
$km->Add("edit","cut","Cut");
$km->Add("edit","copy","Copy");
$km->Add("edit","paste","Paste");
$item = $km->Add("root","view","View""Right";
$km->Add("view","normal","Normal");
$km->Add("view","print","Print");
$km->Add("view","weblayout","Web Layout");
$item = $km->Add("root","help","Help""Horizontal""flow_select""flow_select""form1" method="post">
<div style="padding-top:20px;padding-bottom:100px;width:650px;"