function togMenu(ref) {
var img = (typeof document.getElementById != "undefined")? document.getElementById("img_"+ref):document.images["img_"+ref];
var dv = (typeof document.getElementById != "undefined")?document.getElementById("men_"+ref):document.all["men_"+ref];
if (dv.style.display == "none"){
	dv.style.display = "block";
	img.src = "/images/arrow_right.gif";
	document.cookie = ref+"=1;path=/";
	}
else {
	dv.style.display = "none";
	img.src = "/images/arrow_down.gif";
	document.cookie = ref+"=0;path=/";
	}
return true;
}