var menuTop = 40;
var menuLeft = 400;

var domSMenu = null;
var oldDomSMenu = null;
var t = 0;
var lDelay = 10;
var lCount = 0;
var pause = 100;

function popMenu(menuNum){
	if (isDHTML) {
		///// Sets the previous menu's visibility to hidden
		t = 2;
		if (oldDomSMenu) {
			oldDomSMenu.visibility = 'hidden';
			oldDomSMenu.zIndex = '0';
			t = 2;
			lCount = 0;
		}

		///// Defines the DOMs of the menu objects
		var idMenu = 'menuHead';
		var domMenu = findDOM(idMenu,0);
	
		var idMenuOpt = 'menuHead' + menuNum;
		var domMenuOpt = findDOM(idMenuOpt,0);		
	
		var idSMenu = 'menu' + menuNum;
		
		var domSMenu = findDOM(idSMenu,1);

		///// Defines the positions of the sub-menus
		if (isID || isAll) { 	
			var menuLeft = (domMenu.offsetLeft) + (domMenuOpt.offsetLeft) - 5;
			var menuTop = (domMenu.offsetTop) + (domMenu.offsetHeight) +6;
		}
		
		if (isLayers) {
			var menuLeft = document.layers[idMenu].layers[idMenuOpt].pageX - 5;
			var menuTop = domMenu.pageY + domMenu.clip.height +6;
		}

		///// Positions and shows the menu
		if (oldDomSMenu != domSMenu) {
			domSMenu.left = menuLeft; 
			domSMenu.top = menuTop;
			domSMenu.visibility = 'visible';
			domSMenu.zIndex = '100';
			oldDomSMenu = domSMenu;
		} else {
			oldDomSMenu = null;
		}
	} else {
		////// Returns a 'null' value for non-DHTML Browsers 
		return null;
	}
}


function delayHide() {
	///// Checks to see if there is a menu showing and whether 
	///// the global variable 't' has been set to 0
  if ((oldDomSMenu) && (t == 0)) {

		///// Hides the old menu, resets menu conditions, 
		///// and stops the function running
    oldDomSMenu.visibility = 'hidden'; 
    oldDomSMenu.zIndex = '0';
    oldDomSMenu = null;
    lCount = 0; 
    return false;
	}

	///// Interupts the function if another menu is opened
  if (t == 2) {
  	lCount = 0;
  	return false;
  }

	///// Repeats the function adding 1 to lCount each time until 
	///// lCount is equal to lDelay and then sets 't' to 0 so that 
	///// the menu will hide when it runs again
  if (t == 1) { 
    lCount = lCount + 1;
    if (lDelay <= lCount) { t = 0; }
    if (lDelay >= lCount) { setTimeout('delayHide(' + t + ')',pause); }
  }
}


function positionMenu(menuNum){
	///// Defines the DOMs of the menu objects
	var idMenu = 'menuHead';
	var domMenu = findDOM(idMenu,0);

	var idMenuOpt = 'menuHead' + menuNum;
	var domMenuOpt = findDOM(idMenuOpt,0);		

	var idSMenu = 'menu' + menuNum;
	
	var domSMenu = findDOM(idSMenu,1);

	///// Defines the positions of the sub-menus
	if (isID || isAll) {
		var menuLeft = (domMenu.offsetLeft) + (domMenuOpt.offsetLeft) - 5;
		var menuTop = (domMenu.offsetTop) + (domMenu.offsetHeight) +6;
	}
	
	if (isLayers) {
		var menuLeft = document.layers[idMenu].layers[idMenuOpt].pageX - 5;
		var menuTop = domMenu.pageY + domMenu.clip.height +6;
	}

	///// Positions the menu
	domSMenu.left = menuLeft; 
	domSMenu.top = menuTop;
	domSMenu.visibility = 'hidden';
	domSMenu.zIndex = '0';
}
	
// -->