for ($m=1; $m < 13; $m++) {
if($m == 1) {echo 'Январь';}
if($m == 2) {echo 'Февраль';}
....
if($m == 12) {echo 'Декабрь';}
}
<div class="logo-up"><a href="<?=SITE_DIR?>"><img src="<?=SITE_TEMPLATE_PATH?>/images/logo-up.png" alt="" /></a></div><?php
$curPage = $APPLICATION->GetCurPage(true);
if (
$curPage == SITE_DIR."index.php"
){?>
<div class="logo-up"><img src="<?=SITE_TEMPLATE_PATH?>/images/logo-up.png" alt="" /></div>
<?}else{?>
<div class="logo-up"><a href="<?=SITE_DIR?>"><img src="<?=SITE_TEMPLATE_PATH?>/images/logo-up.png" alt="" /></a></div>
<?}?>