function showCalculator()
{
	w = window.open('osteoporose_frakturrisiko_kalkulator_frisk/kalkulator.php','frisk','toolbar=0,location=0,directories=0,status=0,scrollbars=1,menubar=0,resizable=1,width=820,height=700');
	
	if (!w.opener)
		w.opener = window;
	
	w.focus();
}