<!--

DOM = (document.getElementById) ? 1 : 0;
NS4 = (document.layers) ? 1 : 0;
if(DOM) doc = document.all; else if(NS4) doc = document.layers;

function toggle_check(handler, target)
{
	target_el = document.getElementById(target);
	if(!handler.checked) target_el.style.display = 'none'; 
	else target_el.style.display = 'block';
}

function toggle_image_src_check(handler, target, srcOn, srcOff)
{
	handler_el = document.getElementById(handler);
	target_el = document.getElementById(target);
	if(!handler_el.checked) target_el.src = "/images/"+srcOff+".gif"; 
	else target_el.src = "/images/"+srcOn+".gif";
}
function getOffsetTop(object)
{
	var value = 0;
	if (DOM) 
	{
		//object = document.getElementById(layer);
		value = object.offsetTop;
		while (object.tagName != "BODY" && object.offsetParent) 
		{
			object = object.offsetParent;
			value += object.offsetTop;
		}
	}

	return (value);
}

function getOffsetLeft(object)
{
	var value = 0;
	if (DOM) 
	{
		//object = document.getElementById(layer);
		value = object.offsetLeft;
		while (object.tagName != "BODY" && object.offsetParent) 
		{
			object = object.offsetParent;
			value += object.offsetLeft;
		}
	}

	return (value);
}


//-->