// JavaScript Document

indexnr = 99; 
submenu = "";
smids = new Array("nav_item_3", "nav_item_4", "nav_item_5", "nav_item_6");


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") {
			hide_menus(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("hide_menus("+indexnr+")",300);
	}
}

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


function kb_close_all(num) {
		i=1;
		while (i<=num){
		document.getElementById("kb_" + i + "_body").style.display = "none";
		document.getElementById("kb_" + i + "_headlink").style.backgroundImage = "url(images/btn-box-open.gif)";
		i++;
		}
}

function kb_open(kbox) {
		document.getElementById(kbox + "_body").style.display = "block";
		document.getElementById(kbox + "_headlink").style.backgroundImage = "url(images/btn-box-close.gif)";
}

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