var idgeber=0;
var tabheight = 26;//30;
var imgheight = 44;

function naviTabAuf(box)
{
	if(!box.id)
	{
		idgeber++;
		box.id="event"+idgeber;
		box.sperre="zu";
		box.jetzt = tabheight;
		if(box.parentNode.id == "navitop") {
			box.innerHTML="<IMG src=/graphics/tabtop.gif><DIV style=position:absolute;left:0px;top:0px;>"+box.innerHTML+"</DIV>";
		} else {
			box.innerHTML="<DIV style=position:absolute;left:0px;bottom:0px;>"+box.innerHTML+"</DIV>";
			//<IMG src=/graphics/tabbuttom.gif>
		}
		
		document.getElementById(box.id).getElementsByTagName('a')[0].style.background="";		
		document.getElementById(box.id).getElementsByTagName('a')[0].style.display="block";
		document.getElementById(box.id).getElementsByTagName('a')[1].style.display="block";
	}
	if(box.sperre!="auf")
	{
		box.sperre="auf";
		mBox(box.id);
	}
}

function naviTabZu(box)
{
	if(box.sperre!="zu")
	{
		box.sperre="zu";
		mBox(box.id);
	}
}

function mBox(id)
{
	if(document.getElementById(id).sperre!="zu")
	{
		document.getElementById(id).sperre="auf";
		nav_zaehler=document.getElementById(id).jetzt;
		nav_zaehler+=10;//Tempo auf
		document.getElementById(id).jetzt=nav_zaehler;
		document.getElementById(id).style.height=nav_zaehler+"px";
		if(document.getElementById(id).parentNode.id == "navitop")
			document.getElementById(id).style.top=((tabheight + imgheight) - nav_zaehler)+"px";
		else
			document.getElementById(id).style.bottom=(tabheight - nav_zaehler)+"px";
			
		if(nav_zaehler < (tabheight + imgheight))
		{
			setTimeout('mBox("'+id+'");',50);
		}
		else
		{
			document.getElementById(id).jetzt = (tabheight + imgheight);
			document.getElementById(id).style.height = (tabheight + imgheight) + "px";
			if(document.getElementById(id).parentNode.id == "navitop")
				document.getElementById(id).style.top="1px";
			else
				document.getElementById(id).style.bottom = "-" + imgheight + "px";
		}
	}
	
	if(document.getElementById(id).sperre!="auf")
	{
		document.getElementById(id).sperre="zu";
		nav_zaehler=document.getElementById(id).jetzt;
		nav_zaehler-=4;//Tempo zu
		document.getElementById(id).jetzt=nav_zaehler;
		document.getElementById(id).style.height=nav_zaehler+"px";
		if(document.getElementById(id).parentNode.id == "navitop")
			document.getElementById(id).style.top=((tabheight + imgheight + 1) - nav_zaehler)+"px";
		else
			document.getElementById(id).style.bottom=(tabheight - nav_zaehler)+"px";
			
		if(nav_zaehler > tabheight)
		{
			setTimeout('mBox("'+id+'");',50);
		}
		else
		{
			document.getElementById(id).jetzt = tabheight;
			document.getElementById(id).style.height = tabheight + "px";
			if(document.getElementById(id).parentNode.id == "navitop")
				document.getElementById(id).style.top = (imgheight) + "px";
			else
				document.getElementById(id).style.bottom="0px";
				
		}
	}
	
}