Код:
<style type='text/css'>
.out:link {font-family: Arial, Helvetica; color: #0066fa; font-weight: normal; TEXT-DECORATION: none;}
.in:link {font-family: Arial, Helvetica; color: #000000; font-weight: normal; TEXT-DECORATION: none;}
</style>
<a href="#" class="<?inrazdel==true?print("all"):print("out");?>">тыры-пыры</a>
попробуй так