Typo3 Tree Level Condition

[treeLevel = 1]

lib.menu {
    subOfSub {
        entryLevel = 1
    }
}

page.headerData.554 = TEXT
page.headerData.554.value (
<style>
.left-bar ul.leftnavigation ul {display:none;}
</style>
)

[global]

[treeLevel = 2]
lib.menu {
    subOfSub {
        entryLevel = 2
    }
}

page.headerData.554 = TEXT
page.headerData.554.value (
<style>
.left-bar ul.leftnavigation ul {display:none;}
</style>
)
[global]

[treeLevel = 3]
lib.menu {
    subOfSub {
        entryLevel = 3
    }
}
page.headerData.554 = TEXT
page.headerData.554.value (
<style>
.left-bar ul.leftnavigation ul {display:none;}
</style>
)
[global]

[treeLevel = 4]
lib.menu {
    subOfSub {
        entryLevel = 4
    }
}
page.headerData.554 = TEXT
page.headerData.554.value (
<style>
.left-bar ul.leftnavigation ul {display:none;}
</style>
)
[global]

and so on...