window.addEvent('domready',function () {

$('layout_main').getElements('.imgTooltipp').each( function (item, index) {
   item.addEvent('mouseover', function(){
      item.getChildren('div.toolTipp').setStyle('display','block');
   });
   item.addEvent('mouseleave', function(){
      item.getChildren('div.toolTipp').setStyle('display','none');
   });
});
 
});