/*
var oblig = document.getElementById('oblig');
var divs = oblig.getElementsByTagName('div');
for(var i=0; i<divs.length;i++){
    var a = divs[i].getElementsByTagName('a')[0];
    if (a != null){
        a.style.top = a.parentNode.offsetHeight/2-a.offsetHeight/2 + 'px';
    }
  
     var img = divs[i].getElementsByTagName('img')[0];
    if (img != null){
        img.style.top = img.parentNode.offsetHeight/2-img.offsetHeight/2 + 'px';
    }
}

*/
$(document).ready(function(){
    $('#oblig div img, #oblig div a').each(function () {
            var current = $(this);
            var top = current.parent().height()/2 - current.height()/2;
            current.css("top",top + "px");
        }
    );

});