var Current;

function lighton(objnum)
{
	var obj = document.getElementById('select'+objnum);
	var objpop = document.getElementById('popup'+objnum);
	var objcur = document.getElementById('select'+Current);

	if(obj != objcur) {
		if(obj)
		{
			obj.style.display = "block";
		}

		if(objcur)
		{
			objcur.style.display = "none";
		}
	}

	if(objpop) {
		objpop.style.display = "block";
	}

	var hideonpopup = document.getElementById('hideonpopup');

	if(hideonpopup) {
		hideonpopup.style.display = "none";
	}
}

function lightoff(objnum)
{
	var obj = document.getElementById('select'+objnum);
	var objpop = document.getElementById('popup'+objnum);
	var objcur = document.getElementById('select'+Current);

	if(obj != objcur) {
		if(obj)
		{
			obj.style.display = "none";
		}

		if(objcur)
		{
			objcur.style.display = "block";
		}
	}

	if(objpop) {
		objpop.style.display = "none";
	}

	var hideonpopup = document.getElementById('hideonpopup');

	if(hideonpopup) {
		hideonpopup.style.display = "block";
	}
}

function setCurrent()
{
	var objcur = document.getElementById('select'+Current);

	if(objcur)
	{
		objcur.style.display = "block";
	}
}

addLoadHandler(setCurrent);

function addLoadHandler(handler)
{
	if(window.addEventListener)
	{
		window.addEventListener("load",handler,false);
	}
	else if(window.attachEvent)
	{
		window.attachEvent("onload",handler);
	}
	else if(window.onload)
	{
		var oldHandler = window.onload;
		window.onload = function piggyback()
		{
		    oldHandler();
		    handler();
		};
	}
	else
	{
		window.onload = handler;
	}
}