/*
 * date:	2003-11-16
 * info:	http://inspire.server101.com/js/mb/
 */

var mbW=333;
var mbA,mbT,mbTf,mbSf;
var mbR = [];

function mbSet(m,c) {
	if (document.getElementById&&document.createElement) {
		var m=document.getElementById(m);
		m.className=c;
		mbR[mbR.length] = m;
		var i;

		e = m.getElementsByTagName('a');
		if (!mbTf) mbTf = new Function('mbHT();');
		if (!mbSf) mbSf = new Function('mbS(this);');
		for (i = 0; i < e.length; i ++) {
			
			if (e[i].className.indexOf("mainMenu")  == -1 && e[i].className.indexOf("submenu")  == -1) { // if-statement added by RE ; the functions are added manually on the main menu
				
				e[i].onmouseout = e[i].onblur = mbTf;
				e[i].onmouseover = e[i].onfocus = mbSf;
			}
		}
	
		m = m.getElementsByTagName('ul');
		for (i=0;i<m.length;i++) {
			mbH(mbL(m[i]));
		}
	}
}

function mbHA(thisMenuImage) {
	if (mbA) {
		while (mbA) mbH(mbA);
		mbHE('visible');
//		alert("mbHA sez thisMenuImage = " + thisMenuImage + "\nactiveMenu = " + activeMenu);
		if (thisMenuImage != "undefined" && activeMenu != thisMenuImage) { // some image must be reset
			swapImage(thisMenuImage, '');
		} else if (activeMenu != null) {
			swapImage(activeMenu, '');
		}
		if (activeSubMenu != null) {
			swapClass(activeSubMenu, '');
		}
		
		
	}
}

function mbHT(thisMenuImage) {
	if (thisMenuImage == null) { // If called from a submenu, then, rather than passing an empty value, insert the value of the active image. This prevent the timeout picking up the new active image if you quickly move from the submenu to a main menu image
		thisMenuImage = activeMenu
	}
	if (!mbT) mbT=setTimeout('mbHA("' + thisMenuImage + '");', mbW);
}

function mbTC() {
	if (mbT) {
		clearTimeout(mbT);
		mbT=null;
	}
}

function mbS(m) {
	mbTC();
	if (mbA) while (mbA&&m!=mbA&&mbP(m)!=mbA) mbH(mbA);
	else mbHE('hidden');

	if (mbM(m)) {
		mbSH(m,'visible');
		mbA=m;
	}
}

function mbH(m) {
	if (m==mbA) mbA=mbP(m);
	mbSH(m,'hidden');
	mbT=null;
}

function mbL(m) {
	while (m && m.tagName != 'A') m = m.previousSibling;
	return m;
}

function mbM(l) {
	while (l && l.tagName != 'UL') l = l.nextSibling;
	return l;
}

function mbP(m) {
	var p = m.parentNode.parentNode;
	if (p.tagName == 'UL') {
		var i = 0;
		while (i < mbR.length) {
			if (mbR[i] == p) return null;
			i++;
		}
	} else {
		return null;
	}
	return mbL(p);
}

function mbSH(m,v) {
	m.className = v;
	mbM(m).style.visibility = v;
}

function mbHE(v) {
	mbHEV(v,document.getElementsByTagName('select'));
}

function mbHEV(v,e) {
	for (var i = 0; i < e.length; i ++) {
		e[i].style.visibility = v;
	}
}