function $(objectId)
{
	if (document.getElementById && document.getElementById(objectId))
	{
		return document.getElementById(objectId);
	}else if (document.all && document.all[objectId])
	{
		return document.all[objectId];
	}else if (document.layers && document.layers[objectId])
	{
		return document.layers[objectId];
	}else{
		return false;
	}
}
function menu(objectId)
{
	var dds = $(objectId).getElementsByTagName('dd');
	for(var i=0;i<dds.length;i++)
	{
		dds[i].onmouseover = function()
		{
			this.className += " on";
		}
		dds[i].onmouseout = function()
		{
			this.className = this.className.substring(0,this.className.indexOf(" "));
		}
	}
}

function tab(objectId)
{

	var dts = $(objectId).getElementsByTagName('dt');
	var dds = $(objectId).getElementsByTagName('dd');
	var pp = 0;
	for (var i = 0; i < dts.length; ++i)
	{
		if (i == 0) 
		{
			dts[i].className += ' on';
			dds[i].style.display = 'block';
		}
		(	
			function()
			{
				var p = i;
				dts[p].onmouseover = function()
				{
					if (p != pp)
					{
						dts[p].className += ' on';
						dts[pp].className = dts[pp].className.substring(0,dts[pp].className.indexOf(" "));
						dds[p].style.display = 'block';
						dds[pp].style.display = 'none';
					}
					pp = p;
				}
			}
		)();
	}
}
window.onload = function()
{
	menu('btns');
	//tab('tabNav01');
	//tab('tabNav02');
	//tab('tabNav03');
}