KoolSlideMenu supports keeping only one menu open at a time. To enable this feature, you need to set singleExpand of KooLSlideMenu's instance to true.
<?php
require $KoolControlsFolder."/KoolSlideMenu/koolslidemenu.php";
$ksm = new KoolSlideMenu("sm");
$ksm->scriptFolder = $KoolControlsFolder."/KoolSlideMenu";
$ksm->styleFolder = $KoolControlsFolder."KoolSlideMenu/styles/redcaro";
$ksm->addParent("root","company","Company");
$ksm->addChild("company","about","About Us");
$ksm->addChild("company","news","Company News");
$ksm->addChild("company","contact","Contact us");
$ksm->addParent("root","products","Products");
$ksm->addChild("products","koolajax","KoolAjax");
$ksm->addChild("products","kooltreeview","KoolTreeView");
$ksm->addChild("products","koolslidemenu","KoolSlideMenu");
$ksm->addParent("root","services","Services");
$ksm->addChild("services","outsourcing","Out-sourcing");
$ksm->addChild("services","freelancer","Free-lancer");
$ksm->width="200px";
$ksm->singleExpand = true;
$ksm2 = new KoolSlideMenu("sm2");
$ksm2->scriptFolder = $KoolControlsFolder."/KoolSlideMenu";
$ksm2->styleFolder = $KoolControlsFolder."KoolSlideMenu/styles/redcaro";
$ksm2->addParent("root","company2","Company");
$ksm2->addChild("company2","about2","About Us");
$ksm2->addChild("company2","news2","Company News");
$ksm2->addChild("company2","contact2","Contact us");
$ksm2->addParent("root","products2","Products");
$ksm2->addChild("products2","koolajax2","KoolAjax");
$ksm2->addChild("products2","kooltreeview2","KoolTreeView");
$ksm2->addChild("products2","koolslidemenu2","KoolSlideMenu");
$ksm2->addParent("root","services2","Services");
$ksm2->addChild("services2","outsourcing2","Out-sourcing");
$ksm2->addChild("services2","freelancer2","Free-lancer");
$ksm2->width="200px";
$ksm2->singleExpand = false;
?>
<form id="form1" method="post">
<style type="text/css">
.box
{
float:left;
width:250px;
min-height:220px;
margin:10px;
padding:10px;
}
.focus
{
padding-left:50px;
background:#DFF3FF;
border:solid 1px #C6E1F2;
}
.clear
{
clear:both;
}
#style_select
{
width:100px;
}
</style>
<div class="box focus">
<div style="padding-bottom:10px;"><b>singleExpand = true</b></div>
<?php echo $ksm->Render();?>
</div>
<div class="box focus">
<div style="padding-bottom:10px;"><b>singleExpand = false</b></div>
<?php echo $ksm2->Render();?>
</div>
<div class="clear"></div>
</form>