var timer1;
var timer2;

function over(nr)
{
	window.clearTimeout(timer1);
	window.clearTimeout(timer2);

	hover(nr, true);

	/*alert(base.previousSibling.nodeName);
	base.style.background = "url('/biomed/sys/pix/menu_active.gif') no-repeat right";*/

	if(document.getElementById('s'+nr) && (document.getElementById('s'+nr).style.visibility == '' || document.getElementById('s'+nr).style.visibility == 'hidden'))
	{
		ausblenden();
		einblenden('s'+nr);
	}
}

function out(nr)
{
	//hover(base, false);
	timer1 = window.setTimeout('ausblenden()', 150);
	timer2 = window.setTimeout('hover('+nr+', false)', 150);
}

function einblenden(node)
{
	document.getElementById(node).style.visibility = 'visible';
	//document.getElementById(node).style.visibility = 'visible';
}

function ausblenden()
{
	var ul;

	ul = document.getElementsByTagName('ul');

	for(n=0; n<ul.length; n++)
	{
		if(ul[n].className == 'bmBoxNavMainSub')
		{
			ul[n].style.visibility = 'hidden';
		}
	}
}

function wrapper(nr, over)
{
	window.clearTimeout(timer2);
	ausblenden();
	hover(nr, over)
}

function hover(nr, over)
{
	var ul;

	ul = document.getElementsByTagName('li');
	
	for(n=0; n<ul.length; n++)
	{
		if(ul[n].className == 'bmBoxNavMainItem')
		{
			if(nr == 1)
			{
				ul[n].style.background = "url('/biomed/sys/pix/menu_vr.gif') no-repeat right";
			}
			else
			{
				ul[n].style.background = "url('/biomed/sys/pix/menu_vr.gif') no-repeat right";
			}
			ul[n].childNodes[0].style.color = '#000000';


			if(over==true)
			{
				if(ul[n].id == 'o'+nr)
				{
					if(nr == 1)
					{
						ul[n].style.background = "url('/biomed/sys/pix/menu_active_1st.gif') no-repeat left";
					}
					else
					{
						ul[n].style.background = "url('/biomed/sys/pix/menu_active.gif') no-repeat right";
					}
					ul[n].childNodes[0].style.color = '#ffffff';
				}
			}
		}
	}
}