$(document).ready(function(){
  
  var lHeight = $("#laekre-opskrifter").height();
  var rHeight = $("#related-info").height();
   
  
  
  if (lHeight>rHeight) {
    $("#related-info").height(lHeight - 25);
  }
  if (rHeight>lHeight) {
    $("#laekre-opskrifter").height(rHeight);
  }
 
});