function addToPrice(valueToAdd)
{
	var price;
	var value;
	var temp;
	var toAdd;
	
	toAdd = Number(valueToAdd);
	price = document.getElementById("price").innerHTML;
	temp = Number(price);
	
	value = temp + toAdd;
	document.getElementById("value").innerHTML = value + " zł."
}

function addToPrice2(valueToAdd,freeShip,shipId)
{
	var link 	= "/html2pdf/pdf_create.php?type=proforma&discount=" + $("#rabat").val() + "&shipid=" + shipId;
	var price	= $("#price").text();
	var temp 	= Number(price);
	var free 	= Number(freeShip);
	var toAdd 	= Number(valueToAdd);
	var value;
	
	value = temp + toAdd;
	value = value.toFixed(2);
	$("#value").text(value + " zł.");
	$("#pdf_proforma_href").attr("href",link).unbind().bind("click", function(){return setDiscount(shipId);});
}