function Showfmenu() {
	fuchmenu = document.getElementById("fmenu");
	fumenu = document.getElementById("middle7");
	fupic = document.getElementById("fpic");
	if (fuchmenu.style.visibility == "hidden" || fuchmenu.style.visibility == "") {
		//fumenu.style.background = "url(./images/active10.jpg)";
		fuchmenu.style.visibility = "visible";
		fupic.src = "./images/minus.gif";
	} else {
		fumenu.style.background = "url(./images/graner_flat_10.jpg)";
		fuchmenu.style.visibility = "hidden";
		fupic.src = "./images/plus.gif";
	}
}

function Showumenu() {
	untermenu = document.getElementById("umenu");
	unmenu = document.getElementById("middle6");
	uupic = document.getElementById("upic");
	if (untermenu.style.visibility == "hidden" || untermenu.style.visibility == "") {
		//unmenu.style.background = "url(./images/active11.jpg)";
		untermenu.style.visibility = "visible";
		uupic.src = "./images/minus.gif";
	} else {
		unmenu.style.background = "url(./images/graner_flat_08-11.jpg)";
		untermenu.style.visibility = "hidden";
		uupic.src = "./images/plus.gif";
	}
}
function Showfmenuf() {
	fuchmenu = document.getElementById("fmenu");
	fumenu = document.getElementById("middle7");
	fupic = document.getElementById("fpic");
	if (fuchmenu.style.visibility == "hidden") {
		//fumenu.style.background = "url(./images/active10.jpg)";
		fuchmenu.style.visibility = "visible";
		fupic.src = "./images/minus.gif";
	} else {
		fumenu.style.background = "url(./images/graner_flat_10.jpg)";
		fuchmenu.style.visibility = "hidden";
		fupic.src = "./images/plus.gif";
	}
}
function Showumenuu() {
	untermenu = document.getElementById("umenu");
	unmenu = document.getElementById("middle6");
	uupic = document.getElementById("upic");
	if (untermenu.style.visibility == "hidden") {
		//unmenu.style.background = "url(./images/active11.jpg)";
		untermenu.style.visibility = "visible";
		uupic.src = "./images/minus.gif";
	} else {
		unmenu.style.background = "url(./images/graner_flat_08-11.jpg)";
		untermenu.style.visibility = "hidden";
		uupic.src = "./images/plus.gif";
	}
}