function changeCategory(formname,action,selectedcomboid,catcombo){
	//document.forms[formname].k_catcombo.value = catcombo;
	document.forms[formname].k_a.value = action;
	for (var i=0;i<document.forms[formname].elements.length;i++){
		var e = document.forms[formname].elements[i];
		if (e.name == selectedcomboid){
		e.value = catcombo;
		break;
		}
	}
	document.forms[formname].submit();
}

function zamawiam(url,tresc)
{
	var ilosc =  prompt (tresc, "1" );		
	
	if ( !isNaN(parseInt(ilosc)) ) 
	{
		//location.href = '/?step=katalog&action=buy&id=' + def + '&ilosc=' + ilosc;
		location.href = url + '&count=' + ilosc;
	}
}

function zmienIlosc(url,ile,tresc)
{
	var ilosc =  prompt (tresc, ile );		
	
	if ( !isNaN(parseInt(ilosc)) ) 
	{
		//location.href = '/?step=katalog&action=buy&id=' + def + '&ilosc=' + ilosc;
		location.href = url + '&count=' + ilosc;
	}
}

function zmienPoleZamowienia(url,pole,domyslna,tresc)
{
	//text('aa','bb');

	var wartosc =  prompt (tresc, domyslna );		
	
	if ( wartosc!=null) 
	{
		//location.href = '/?step=katalog&action=buy&id=' + def + '&ilosc=' + ilosc;
		location.href = url + '&' + pole + '=' + wartosc;
	}
}