function setTeaserLink() {
  var teaserLinks = $A($$(".cntmain_item_link a"));
  teaserLinks.each(function(teaserLink) {
    var linkHref = teaserLink.readAttribute('href');
    var teaser = $(teaserLink).up('.cntmain_item');
    if(teaser != 'undefined') {
      teaser.observe('click', function(event) {
        location.href = linkHref;
      });
      teaser.observe('mouseover', function(event) {
        var element = Event.element(event);
        $(element).setStyle({cursor:"pointer"});
      });
    }
  });
}

Event.observe(window, 'load', setTeaserLink, false);