function menuOn(menuName)
{
	if (meni != null)
	{
		setClass(false, meni);
	}

	meni = document.getElementById(menuName);
	setClass(true, meni);
	void(0);
}

function menuOff(menuName)
{
	var meni = document.getElementById(menuName);
	setClass(false, meni);
	void(0);
}

function setClass(over, where)
{
	var hoverStr = 'hover';

	if (over)
	{
		if (where.className == "opened")
		{
			where.className = "opened hover";
		}

		if (where.className != "opened" && where.className != "selected" && where.className != "bottom")
		{
			where.className = hoverStr;
		}
	}
	else
	{
		if (where.className == "opened hover")
		{
			where.className = "opened";
		}

		if (where.className != "opened" && where.className != "selected" && where.className != "bottom")
		{
			where.className = '';
		}
	}
}

function adaptLis()
{
	var lis = document.getElementById('mainMenu').getElementsByTagName('li');

	if (lis != "" && lis != undefined && lis != null)
	{
		for (i = 0; i < lis.length; i++)
		{
			li = lis[i];

			li.onmouseover = function()
			{
				setClass(true, this);
			}

			li.onmouseout = function()
			{
				setClass(false, this);
			}
		}
	}
}

window.onload = adaptLis;