var actImg;

function imgOver (nr)
{
	setImgHigh (nr);
}

function imgOut (nr)
{
	if(nr != actImg) setImgLow (nr);
}

function imgPress (nr)
{
	activeImg (nr);
	setImgHigh (nr);
}

function setImgHigh (nr)
{
	var img = document.getElementById("img"+nr);
	img.src = "fileadmin/images/navi/n"+nr+"_1.gif";
}

function setImgLow (nr)
{
	var img = document.getElementById("img"+nr);
	img.src = "fileadmin/images/navi/n"+nr+"_0.gif";
}

function setActiveImg (nr)
{
	actImg = nr;
}