document.observe("dom:loaded", function() {
  var leftContainer = $('content').getHeight();
  var rightContainer = $('sidebar').getHeight();
  try{
	  if(leftContainer > rightContainer){
	  	$('sidebar').setStyle({height:leftContainer+'px'});
	  }else{
	  	$('content').setStyle({height:rightContainer+'px'});
	  }
  }catch(err){}
});