document.load = body_Load();

function agree_Click() {
	var el = document.getElementById('agree');
	var sb = document.getElementById('submit');
	
	if (el == null || sb == null){
		return;
	}
	
	if (el.checked){
		sb.style.visibility = "visible";
	} else {
		sb.style.visibility = "hidden";
	}		
}

function about_Change() {
	
	var selValue = getSelectedRadioValue(document.getElementsByName('about'));
	
	if (selValue == '1'){
		toggleElement('phcwrap', true);
	} else {
		toggleElement('phcwrap', false);
	}
	
	if (selValue == '3'){
		toggleElement('stockwrap', true);
	} else {
		toggleElement('stockwrap', false);
	}
	
	if (selValue == '2'){
		toggleElement('operatorStuff', true);
	} else {
		toggleElement('operatorStuff', false);
	}
}

function toggleElement(id, show){
	var el = document.getElementById(id);
	if (el == null){
		return;
	}
	if (show) {
		el.style.display = "block";
	} else {
		el.style.display = "none";
	}
}

function body_Load() {
	agree_Click();
	about_Change();
}

function getSelectedRadioValue(elements){
	if (elements == null){
		return;
	}
	for (var i = 0; i < elements.length; i++){
		if (elements[i].checked){
			return elements[i].value;
		}
	}
	return null;
}