function ShowHide(id) {
    obj = document.getElementsByTagName("div");
    if (obj[id].style.visibility == 'visible'){
    obj[id].style.visibility = 'hidden';
	    
    }
    else {
    obj[id].style.visibility = 'visible';
    }
}

function ShowMe (id) {
	obj = document.getElementsByTagName("div");
	obj[id].style.visibility = 'visible';
}
function HideMe (id) {
	obj = document.getElementsByTagName("div");
	obj[id].style.visibility = 'hidden';
}

var merker=false;
function setMenuActive(id) {
	var div = document.getElementById(id);
	if (div.className == "navihactive")
		merker=true;
	div.className = "navihactive";
}

function setMenuInactive(id) {
	var div = document.getElementById(id);
	if (merker==true)
		div.className = "navihactive";
	else	
	div.className = "navih";
	merker=false;
}