function replaceComma(entry)
{
	out = ",";
	add = ".";
	temp = "" + entry;

	while (temp.indexOf(out)>-1) {
		pos= temp.indexOf(out);
		temp = "" + (temp.substring(0, pos) + add +
		temp.substring((pos + out.length), temp.length));
	}
	return temp;
}

function zmien(frm,wybor){
	var tab1 = new Array(
		Array("50","5.57"),
		Array("65","7.09"),
		Array("80","8.64"),
		Array("100","10.6"),
		Array("120","13.4"),
		Array("140","16.0"),
		Array("160","18.8"),
		Array("180","22.0"),
		Array("200","25.3"),
		Array("220","29.4"),
		Array("240","33.2"),
		Array("260","37.9"),
		Array("280","41.8"),
		Array("300","46.2"),
		Array("320","59.5"),
		Array("350","60.6"),
		Array("380","63.1"),
		Array("400","71.8")		
	);
	var tab2 = new Array(
		Array("80","7.05"),
		Array("100","8.6"),
		Array("120","10.4"),
		Array("140","12.3"),
		Array("160","14.2"),
		Array("180","16.3"),
		Array("200","18.4"),
		Array("240","24.0"),
		Array("270","27.7"),
		Array("300","31.8"),
		Array("400","48.3")		
	);

	if(wybor=="tab1"){
		frm.elements.rozmiar.options.length = tab1.length;
		for (var i=0; i<tab1.length; i++) {
			frm.rozmiar.options[i] = new Option(tab1[i][1]);
			frm.rozmiar.options[i].value = tab1[i][1];
			frm.rozmiar.options[i].text = tab1[i][0];
		}
	}
	if(wybor=="tab2"){
		frm.elements.rozmiar.options.length = tab2.length;
		for (var i=0; i<tab2.length; i++) {
			frm.rozmiar.options[i] = new Option(tab2[i][1]);
			frm.rozmiar.options[i].value = tab2[i][1];
			frm.rozmiar.options[i].text = tab2[i][0];
		}
	}
	if(wybor==0){
		frm.elements.rozmiar.options.length = 1;
		frm.rozmiar.options[0] = new Option("------ wybierz produkt ------");
		frm.rozmiar.options[0].value = 0;
		frm.rozmiar.options[0].text = "------ wybierz produkt ------";
		frm.wynik.value = 0;
	}
}