var theMenu;
var theMenuButton;
var theMenuParent;
var nextMenu;
var currentMenu;

function menu_clicked(a) {
	var menuButton = a;
	var menuParent = a.parentNode.parentNode;
	
	d = menuParent.getElementsByTagName('DIV');
	for (i = 0; i < d.length; i++) {
		if (d[i].className == 'menu') {
			menu = d[i];
			break;
		}
	}
	
	if (menu) {
		if (currentMenu) {
			theMenu = currentMenu;
			currentMenu = null;
		}

		if (theMenu) {
			if (theMenu != menu) {
				nextMenu = menu;
			}
			close_menu(theMenu);
		} else {
			open_menu(menu);
		}
		return false;
	} else {
		return true;
	}
}

var animatingMenu;
var targetHeight;
var animator;

function open_menu(menu) {
	menu.parentNode.className = 'opening';
	menuItems = menu.getElementsByTagName('LI');
	animatingMenu = menu;
	targetHeight = menuItems.length * 18 + 7;
	//menu.style.height = menuHeight + 'px';
	menu.style.height = '0px';
	animator = setInterval('slide_open()', 10);
}

function slide_open() {
	if (animatingMenu) {
		h = parseInt(animatingMenu.style.height) + 20;
		if (h >= targetHeight) {
			clearInterval(animator);
			animatingMenu.style.height = 'auto';
			animatingMenu.parentNode.className = 'open';
			theMenu = animatingMenu;
		} else {
			animatingMenu.style.height = h + 'px';
		}
	}
}

function close_menu(menu) {
	menu.parentNode.className = 'opening';
	menuItems = menu.getElementsByTagName('LI');
	animatingMenu = menu;
	targetHeight = menuItems.length * 18 + 7;
	menu.style.height = targetHeight + 'px';
	animator = setInterval('slide_closed()', 10);
}

function slide_closed() {
	if (animatingMenu) {
		h = parseInt(animatingMenu.style.height) - 20;
		if (h <= 0) {
			clearInterval(animator);
			animatingMenu.style.height = 'auto';
			animatingMenu.parentNode.className = 'closed';
			if (nextMenu) {
				open_menu(nextMenu);
				nextMenu = null;
			}
			theMenu = null;
		} else {
			animatingMenu.style.height = h + 'px';
		}
	}
}

//Rollover Script
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}