var timer = "";
var openMenu = null;
var canMenuBeClosed = true;



function clearTimer(){
	window.clearTimeout(timer);
}

function tryToClose(){
	var funcToCall = "canMenuBeClosed = true"
	timer = window.setTimeout(funcToCall, 100);
}

function showMenu(id, objPos){

	if(document.getElementById){
		clearTimer();
		setElementProperty('Resources', 'display', 'none');
		setElementProperty('Features', 'display', 'none');
		setElementProperty('Interactive', 'display', 'none');
		setElementProperty('Multimedia', 'display', 'none');
		setElementProperty('Store', 'display', 'none');
		setElementProperty('Downloads', 'display', 'none');
		setElementProperty('NFL', 'display', 'none');
		setElementProperty('Misc', 'display', 'none');

		openMenu = id;
		canMenuBeClosed = false

		var x = 0;
		var y = 0;
		
		x = getElementLeft(objPos);
		y = getElementBottom(objPos);
		
		/*if(!window.event){
			y-=1;
		}*/
		
		setElementProperty(id, 'display', 'block');
		setElementProperty(id, 'left', x + "px");
		setElementProperty(id, 'top', y + "px");
	}
}



function hideMenu(id){
	setElementProperty(id, 'display', 'none');
	openMenu = null;
}

function getMousePos(event){
	var x, y;
	if(window.event){
		x = window.event.clientX;
		y = window.event.clientY;
		if (document.documentElement && document.documentElement.scrollTop){
			y+=document.documentElement.scrollTop;
		} else {
			y+=document.body.scrollTop;
		}
	} else {
		x = event.pageX;
		y = event.pageY;
	}

	if(openMenu != null){
		var testInside = isInside(x, y, openMenu);
		if(!testInside && canMenuBeClosed == true){
			hideMenu(openMenu);
		}
		if(testInside){
			canMenuBeClosed = true;
			clearTimer();
		}
	}
}

function isInside(xMouse, yMouse, id){
	if( (id != null) && (xMouse >= getElementLeft(id)) && (xMouse <=getElementRight(id)) && (yMouse >= getElementTop(id)) && (yMouse <= getElementBottom(id)) ){
		return true;
	} else {
		return false;
	}
}

function menupos () {
document.onmousemove = getMousePos;
}

function switchDisplay(elm){
	var elm = elm.parentNode.nextSibling;
	while(elm.nodeType == 3){
		elm = elm.nextSibling;
	}
	
	var elmStyle = getElementProperty(elm, "display")

	if((elmStyle == "none") || (elmStyle == "") || (elmStyle == null)){
		setElementProperty(elm, "display", "block");
		return;
	}
	if(elmStyle == "block"){
		setElementProperty(elm, "display", "none");
		return;
	}
}

// * Originally in posUtil.js * //
function getElementLeft(p_elm) {
	var x = 0;
	var elm;
	if(typeof(p_elm) == "object"){
		elm = p_elm;
	} else {
		elm = document.getElementById(p_elm);
	}
	while (elm != null) {
		x+= elm.offsetLeft;
		elm = elm.offsetParent;
	}
	return parseInt(x);
}

function getElementWidth(p_elm){
	var elm;
	if(typeof(p_elm) == "object"){
		elm = p_elm;
	} else {
		elm = document.getElementById(p_elm);
	}
	return parseInt(elm.offsetWidth);
}

function getElementRight(p_elm){
	return getElementLeft(p_elm) + getElementWidth(p_elm);
}

function getElementTop(p_elm) {
	var y = 0;
	var elm;
	if(typeof(p_elm) == "object"){
		elm = p_elm;
	} else {
		elm = document.getElementById(p_elm);
	}
	while (elm != null) {
		y+= elm.offsetTop;
		elm = elm.offsetParent;
	}
	return parseInt(y);
}

function getElementHeight(p_elm){
	var elm;
	if(typeof(p_elm) == "object"){
		elm = p_elm;
	} else {
		elm = document.getElementById(p_elm);
	}
	return parseInt(elm.offsetHeight);
}

function getElementBottom(p_elm){
	return getElementTop(p_elm) + getElementHeight(p_elm);
}

function getElementProperty(p_elm, p_property){
	var elm = null;
	if(typeof(p_elm) == "object"){
		elm = p_elm;
	} else {
		elm = document.getElementById(p_elm);
	}
	if (elm != null){
		if(elm.style){
			elm = elm.style;
			if(elm[p_property]){
				return elm[p_property];
			} else {
				return null;
			}
		} else {
			return null;
		}
	}
}

function setElementProperty(p_elm, p_property, p_value){
	var elm = null;
	if(typeof(p_elm) == "object"){
		elm = p_elm;
	} else {
		elm = document.getElementById(p_elm);
	}
	if((elm != null) && (elm.style != null)){
		elm = elm.style;
		elm[ p_property ] = p_value;
	}
}