<!-- Auto-Sum

	function startCalcc(){
	  interval = setInterval("calcc()",1);
	}
	function calcc(){
	  
	  var sum = 30;
	  var gn, elem;
	  for (i=0; i<2; i++) {
	    gn = 'korting'+i;
	    elem = document.getElementById(gn);
	    if (elem.checked == true) { sum -= Number(elem.value); }
	  }
	  
	  document.autoSumFormm.total.value = sum.toFixed(2);
	  
	}
	function stopCalcc(){
	  clearInterval(interval);
	}


// -->