var win=0;
function move_navi_bar(/*subp*/)
{
	/*if(!win)
	{
		win=open("null","info","");
	}*/
	var topspace=170;//     vgl. index.php: navilayer.style.top
	var offset;
	var minsize=500;
	
	//if(subp)//subpage: bool; falls Unterseite vorhanden, wird das
		//Menue groesser
		minsize += 70;
	
	offset=parseInt(window.pageYOffset);
	if(window.pageYOffset=="undefined" || window.pageYOffset==undefined)
	{
		// => warscheinlich Internet Explorer
		offset=parseInt(document.body.scrollTop);
	}
	
	if (offset > 170)
		minsize -= 170;
	
	nbar=document.getElementById('navibar');
	
	// falls Fenster zu klein ist, "laeuft das Menue immer weg"
	// (Mozilla, Opera, ...   || Internet explorer)
	if(window.innerHeight < minsize || 
	   document.body.offsetHeight <minsize)
	{
		nbar.style.top='170px';
		return;
	}
	
	if (offset>topspace-25)
		/*if (offset>nbar.style.top+topspace-25)
			nbar.style.top=nbar.style.top+1;
		else if(offset<nbar.style.top+topspace-25)
			nbar.style.top--;*/
		nbar.style.top = (offset+25)+'px';
	else
	/*	if(nbar.style.top > topspace)
			nbar.style.top--;
		else*/ nbar.style.top = topspace+'px';
	//nbar.style.top=offset+topspace;
	
	//pos=pos+10;
	
	//win.document.write("Pos: "+pos+"<br />Offs: "+offset);
	
	/*if (pos < offset)
		pos++;
	else if(pos > offset)
		pos--;
	*/
	//slow_move(parseInt(document.getElementById("navibar").style.top), window.pageYOffset+topspace);
}

/*
function slow_move(act_pos, pos)
{
	// not yet implemented
}*/