var eypos=-300, ejump=-4;
var typos=-260, tjump=-4;
var delay=2;
function do_menue()
{
	if(typos>-260)
	{
		tjump=-4;
		if(typos>=130) head_fahren();
	}
	ejump=-ejump;
	if(eypos<=-10 || eypos>=4) menue_fahren();
}

function menue_fahren()
{
	if(document.layers) document.menue.left=eypos; else document.all.menue.style.left=eypos;
	eypos+=ejump;
	if(eypos>-300 && eypos<4)
		setTimeout("menue_fahren()", delay);
}

function do_head()
{
	if(eypos>-300)
	{
		ejump=-4;
		if(eypos>=4) menue_fahren();
	}
	tjump=-tjump;
	if(typos<=-260 || typos>=130) head_fahren();
}

function head_fahren()
{
	if(document.layers) document.head.left=typos; else document.all.head.style.left=typos;
	typos+=tjump;
	if(typos>-260 && typos<130)
		setTimeout("head_fahren()", delay);
}