var fieldValues = new Array();

function clearFieldText(obj)
{
	if(!fieldValues[obj.name])
	{
		fieldValues[obj.name] = obj.value;
		obj.value="";
	}
}

function setFieldText(obj)
{
	if(obj.value.length == 0)
	{
		obj.value = fieldValues[obj.name];
		delete fieldValues[obj.name];
	}
}

function clearFieldText2(obj, text)
{
	if(obj.value == text)
	{
		obj.value="";
	}
}

function setFieldText2(obj, text)
{
	if(obj.value.length == 0)
	{
		obj.value = text;
	}
}

function swapDiv(id)
{
	div = document.getElementById(id);
	if(div)
	{
		if(div.style.display == 'none' || div.style.display=='')
			div.style.display = 'block';
		else
			div.style.display = 'none';
	}
}

function countSum()
{
	cennik = new Array();
	cennik[0] = 0;
	cennik[1] = 60;
	cennik[2] = 80;
	cennik[3] = 90;
	ilosc = 0;	
	if(document.getElementById("pkt1").checked == true)
		ilosc++;
	if(document.getElementById("pkt2").checked == true)
		ilosc++;
	if(document.getElementById("pkt3").checked == true)
		ilosc++;
	
	document.getElementById("suma").value = cennik[ilosc]+' zł';
	
}

function clearFilter()
{
	document.forms['filtr'].elements['usun_filtr'].value=1;
	document.forms['filtr'].submit();
}