// JavaScript Document
function mod_kat(id) {
	window.open("h/mod_kat.php?id="+id,"modyfikuj menu","status=no,toolbar=no,scrollbars=yes,width=500,height=350");
}

function mod_potr(id) {
	window.open("h/mod_potrawe.php?id="+id,"modyfikuj potrawe","status=no,toolbar=no,scrollbars=yes,width=500,height=350");
}

function mod_akt(id) {
	window.open("h/mod_akt.php?id="+id,"modyfikuj akt","status=no,toolbar=no,scrollbars=yes,width=600,height=600");
}


function zmien_kr(obj){
str=obj.value.replace(",",".");
	if(!isNaN(str)){
		obj.value=str;
	}else{
		obj.value=0;	
	}
}