// JavaScript Document

indexnr = 99; // wird für die Zugriffe auf die richtigen Submenü-Array-Elemente verwendet
submenu = "";
smids = new Array("nav_item_3", "nav_item_4", "nav_item_5", "nav_item_6");


subsubakt = "";
hide = new Array(4);

function set_index_nr(menu) {
	for (i=0; i<4; i++) {
		if (smids[i] == menu) {
			indexnr = i;
		}
	}
}

function show_sub(menu) {
	set_index_nr(menu);
	for (j=0; j<4; j++) {
		if (j != indexnr && document.getElementById(smids[j]).className != "subnav active") {
			menu_ausblenden(j);
		}
	}
	if (hide[indexnr] != "") {
		window.clearTimeout(hide[indexnr]);
	}
	document.getElementById(menu).style.display = "block";
}

function hide_sub(menu) {
	if (document.getElementById(menu).className != "subnav active") {
		submenu = menu;
		hide[indexnr] = window.setTimeout("menu_ausblenden("+indexnr+")",300);
	}
}

function menu_ausblenden(nr) {
	document.getElementById(smids[nr]).style.display = "none";
}



subsub = new Array();
subsub[0] = "subsub1";

function show_subsub(subsubmenu) {
	if (subsubakt == "") {
		subsubakt = subsubmenu;
		document.getElementById(subsubmenu).style.display = "block";
	} else {
		document.getElementById(subsubmenu).style.display = "none";
		subsubakt = "";
	}
}

function hide_subsub() {
	i = 1;
	while (i<=subsub.length) {
		document.getElementById("subsub"+i).style.display = "none";
		i++;
	}
}



function kb_skip(kbox) {
	wert = document.getElementById(kbox + "_body").style.display;
	if (wert == "block") {
		document.getElementById(kbox + "_body").style.display = "none";
		document.getElementById(kbox + "_headlink").style.backgroundImage = "url(img/btn-box-open.gif)";
	} else if (document.getElementById(kbox + "_body").style.display == "none") {
		document.getElementById(kbox + "_body").style.display = "block";
		document.getElementById(kbox + "_headlink").style.backgroundImage = "url(img/btn-box-close.gif)";
	}
}