function keydown(keyCode)
{
	if ((keyCode >= 48 && keyCode <= 57) || keyCode == 8 || keyCode == 46 || keyCode == 38 || keyCode == 40 || keyCode == 37 || keyCode == 39 )
	{
		return true;
	}
	return false;
}

function keyup(id, form)
{
	var id;
	document.getElementById("priceCount").innerHTML = 0;	
	for(var i=0; i < form["arrayId[]"].length; i ++)
	{
		id = form["arrayId[]"][i].value;
		document.getElementById("priceCount").innerHTML = Number(document.getElementById("priceCount").innerHTML) + Number(document.calc["count"+id].value) * Number(document.getElementById("price"+id).innerHTML);
	}
}