var getElement;
	
	function getdisplaystyle(name)
	{
		var agt=navigator.userAgent.toLowerCase();
		
		if (agt.indexOf("opera") != -1)
		{
			getElement = document.getElementById(name).style;
			var show = "inherit";
		}
		else
		{
			getElement = document.getElementById(name).style;
			var show = "block";
		}
		
		return show;
	}
	
	function boxon(name)
	{
		show = getdisplaystyle(name);
		getElement.display = show;
	}

	function boxoff(name)
	{
		show = getdisplaystyle(name);
		getElement.display = "none";
	}

	function onoff(name)
	{
		show = getdisplaystyle(name);
		//alert("[" + getElement.display.toString() + "] [" + show + "]");
		if (getElement.display == show)
		{
			getElement.display = "none";
		}
		else
		{
			getElement.display = show;
		}
	}