var headerImage='';

function sHearImg(object){
    if (headerImage){
      // alert(object.id);
      headerImage.className=object.id;
    }  
}

function setHandler(){
  headerImage = document.getElementById('motiv');
  
  if (headerImage == null){
    headerImage = document.getElementById('motivBig');
  } 
  list = document.getElementsByTagName('span');
  for (n in list){
    if (list[n].className=='headHover'){
      
      list[n].onmouseover = function(){
        sHearImg(this);
      }
    }
  }
}