function toggleVisibility(me,sState){
		var elem = document.getElementById(me);
		elem.style.visibility=sState;
	}
	function handleTick(dispatcher){
		var elem = document.getElementById(dispatcher);
		if (dispatcher=="privateInvestor"){
			if (elem.checked){
				document.getElementById('adviser').checked=false;
				toggleVisibility('extra','hidden');
			}else{
				document.getElementById('adviser').checked=true;
				toggleVisibility('extra','visible')
			}
		}else{
			if (elem.checked){
				document.getElementById('privateInvestor').checked=false;
				toggleVisibility('extra','visible');
			}else{
				document.getElementById('privateInvestor').checked=true;
				toggleVisibility('extra','hidden')
			}
		}
	}