function loadAjax(target,url,params,callback){
	if (!$(target)){
		alert('postForm: nemjó a cél');
		return false;
	}
	Element.update(target,'<img src="'+ROOT_URL+'skin/frontend/default/hu/images/loading.gif" alt="" />');
	
	params += "&ajax=1";
	
	var req = new Ajax.Request(url,{
		method: 'post',
		parameters: params,
		onFailure: function(trans){
			alert('ajax hiba');
			
		},
		onSuccess: function(trans){
			//alert(trans.responseText);
			Element.update($(target),trans.responseText);
			if (callback){
				callback();
			}
		}
		
		
	});
	
	
	
}

function postForm(target,form,url,params){
	if (!$(target)){
		alert('postForm: nemjó a cél');
		return false;
	}
	if(!$(form)){
		alert('postForm: nemjó a form');
		return false;
	}
	Element.update(target,'<img src="'+ROOT_URL+'skin/frontend/default/hu/images/loading.gif" alt="" />');
	pars = Form.serialize($(form));
	if (params.length>0){
		pars += "&"+params;
	}
	pars += "&ajax=1";
	var req = new Ajax.Request(url,{
		method: 'post',
		parameters: pars,
		onFailure: function(trans){
			alert('ajax hiba');
			
		},
		onSuccess: function(trans){
			//alert(trans.responseText);
			Element.update($(target),trans.responseText);
			
		}
		
		
	});
	
	
	
	
}