function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			//alert (radioObj[i].value);
			return radioObj[i].value;
		}
	}
	return "";
}


function calculate(){
	
	var total_id1 = document.forma.id1.value * getCheckedValue(document.forma.radio_id1);
	var total_id2 = document.forma.id2.value * getCheckedValue(document.forma.radio_id2);
	var total_id3 = document.forma.id3.value * getCheckedValue(document.forma.radio_id3);
	var total_id4 = document.forma.id4.value * getCheckedValue(document.forma.radio_id4);
	var total_id5 = document.forma.id5.value * getCheckedValue(document.forma.radio_id5);
	var total_id6 = document.forma.id6.value * getCheckedValue(document.forma.radio_id6);
	var total_id7 = document.forma.id7.value * getCheckedValue(document.forma.radio_id7);
	var total_id8 = document.forma.id8.value * getCheckedValue(document.forma.radio_id8);
	var total1 = total_id1 + total_id2 + total_id3 + total_id4 + total_id5 + total_id6 + total_id7 + total_id8;
	
	var total_id21 = document.forma.id21.value * getCheckedValue(document.forma.radio_id21);
	var total_id22 = document.forma.id22.value * getCheckedValue(document.forma.radio_id22);
	var total_id23 = document.forma.id23.value * getCheckedValue(document.forma.radio_id23);
	var total_id24 = document.forma.id24.value * getCheckedValue(document.forma.radio_id24);
	var total_id25 = document.forma.id25.value * getCheckedValue(document.forma.radio_id25);
	var total_id26 = document.forma.id26.value * getCheckedValue(document.forma.radio_id26);
	var total_id27 = document.forma.id27.value * getCheckedValue(document.forma.radio_id27);
	var total_id28 = document.forma.id28.value * getCheckedValue(document.forma.radio_id28);
	var total2 = total_id21 + total_id22 + total_id23 + total_id24 + total_id25 + total_id26 + total_id27 + total_id28;
	
	var total_id31 = document.forma.id31.value * document.forma.hidden1.value;
	var total_id33 = document.forma.id33.value * document.forma.hidden3.value;
	var total_id34 = document.forma.id34.value * document.forma.hidden4.value;
	var total_id35 = document.forma.id35.value * document.forma.hidden5.value;
	var total_id36 = document.forma.id36.value * document.forma.hidden6.value;
	var total3 = total_id31 + total_id33 + total_id34 + total_id35 + total_id36;
	
	var total = total1 + total2 + total3;
	
	document.getElementById('text_id1').innerHTML = total_id1+' &euro;';
	document.getElementById('text_id2').innerHTML = total_id2+' &euro;';
	document.getElementById('text_id3').innerHTML = total_id3+' &euro;';
	document.getElementById('text_id4').innerHTML = total_id4+' &euro;';
	document.getElementById('text_id5').innerHTML = total_id5+' &euro;';
	document.getElementById('text_id6').innerHTML = total_id6+' &euro;';
	document.getElementById('text_id7').innerHTML = total_id7+' &euro;';
	document.getElementById('text_id8').innerHTML = total_id8+' &euro;';
	document.getElementById('total1').innerHTML = total1+'&nbsp;&euro;';
	document.getElementById('total1_double').innerHTML = total1+'&nbsp;&euro;';
	
	document.getElementById('text_id21').innerHTML = total_id21+' &euro;';
	document.getElementById('text_id22').innerHTML = total_id22+' &euro;';
	document.getElementById('text_id23').innerHTML = total_id23+' &euro;';
	document.getElementById('text_id24').innerHTML = total_id24+' &euro;';
	document.getElementById('text_id25').innerHTML = total_id25+' &euro;';
	document.getElementById('text_id26').innerHTML = total_id26+' &euro;';
	document.getElementById('text_id27').innerHTML = total_id27+' &euro;';
	document.getElementById('text_id28').innerHTML = total_id28+' &euro;';
	document.getElementById('total2').innerHTML = total2+'&nbsp;&euro;';
	document.getElementById('total2_double').innerHTML = total2+'&nbsp;&euro;';
	
	document.getElementById('text_id31').innerHTML = total_id31+' &euro;';
	document.getElementById('text_id33').innerHTML = total_id33+' &euro;';
	document.getElementById('text_id34').innerHTML = total_id34+' &euro;';
	document.getElementById('text_id35').innerHTML = total_id35+' &euro;';
	document.getElementById('text_id36').innerHTML = total_id36+' &euro;';
	document.getElementById('total3').innerHTML = total3+'&nbsp;&euro;';
	document.getElementById('total3_double').innerHTML = total3+'&nbsp;&euro;';
	
	document.getElementById('total').innerHTML = total+'&nbsp;&euro;';
	
};