Only on frontpage

I have some modules that i want to display ONLY on frontpage. But I mean really ONLY frontpage, if you click anythngt on the page, they should not be displayed.

I created some positions in my template and i can turn them off and on with IF statement. But how do i check if this is a frontpage or not? Is there any variable like

if $current_component="com_frontpage" {

show
}else{

do not show}

***


You know what I mean... How do i check this with an IF?

*****************

Ok, got it! why do i always find solution just after writing to a forum?
Here it is:

PHP Code:

<?php     if ($option=="com_frontpage") {  ?>

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