sfHover = function()
{
	$('purpose').style.display = 'none';
	var sfEls = $("ja-cssmenu").getElementsByTagName("ul");
	sfEls = sfEls[0].getElementsByTagName("li");

	for (var i = 0; i < sfEls.length; i++)
	{
		if ( sfEls[i].addEvent )
		{
			sfEls[i].addEvent("mouseover", function ()
			{
				if ( this.getElementsByTagName("span")[0].innerHTML == '目的性绩效' )
				{
					$('purpose').style.display = '';
					$('purpose').style.marginTop = '-30px';
				}

				this.getElementsByTagName("ul")[0].className = "sfhover";
			});

			sfEls[i].addEvent("mouseout", function ()
			{
				if ( this.getElementsByTagName("span")[0].innerHTML == '目的性绩效' )
				{
					$('purpose').style.display = 'none';
				}
				this.getElementsByTagName("ul")[0].className = "none";
			});
		}
		else
		{
			sfEls[i].onmouseover = function ()
			{
				if ( this.getElementsByTagName("span")[0].innerHTML == '目的性绩效' )
				{
					$('purpose').style.display = '';
					$('purpose').style.marginTop = '-30px';
				}
				this.getElementsByTagName("ul")[0].className = "sfhover";
			}

			sfEls[i].onmouseout = function ()
			{
				if ( this.getElementsByTagName("span")[0].innerHTML == '目的性绩效' )
				{
					$('purpose').style.display = 'none';
				}
				this.getElementsByTagName("ul")[0].className = "";
			}
		}
	}
}