function swAdd2Cart(itemid, ax)
{
	if(ax=='ax') formid="itemidax";
	else formid="itemid";
	if(!$(formid+itemid))
	{
	  toserialize = document.forms[0].id;
	}
	else
	{
	  toserialize = formid+itemid;
	}
	new Ajax.Updater('swDivPopup', 'libajax/ax_cart.php', {asynchronous:true, evalScripts:true,
                                             	           parameters:'formid='+formid+'&funcname=add&'+$(toserialize).serialize()})
  $('swDivPopup').innerHTML="<img src='/img/ajaloading.gif' alt='Einen Moment bitte ...' hspace=10 vspace=10>";
	$('swDivPopupBackground').show(); 
  $('swDivPopup').show();
}