function setObjWidth( object, x_times, by_value )
{
 window.addEvent('load', function()
 {

  $$("."+object).each(function(element,index)
  {

          element.setStyle('height',element.getStyle('height'));
          element.setStyle('margin-top', '-'+(element.getStyle('height').toInt()/2)+'px');
          element.setStyle('top', '50%');
   });

   });
}