//-------------------------------------------------------------------

function expandMenu(linkElement, parentLinkElement){
	linkElement.style.top = findPosY(parentLinkElement) - 27;
	linkElement.style.left = findPosX(parentLinkElement) - findPosX(document.getElementById('nav')) - 4;
	linkElement.style.visibility = "visible";
}

//-------------------------------------------------------------------

function findPosX(obj){
	var curleft = 0;
	if (obj.offsetParent){
		while (obj.offsetParent){
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}else if (obj.x){
		curleft += obj.x;
	}
		
	return curleft;
}

//-------------------------------------------------------------------

function findPosY(obj){
	var curtop = 0;
	if (obj.offsetParent){
		while (obj.offsetParent){
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}else if (obj.y){
		curtop += obj.y;
	}
	
	return curtop;
}

//-------------------------------------------------------------------

function hideAll(){
	document.getElementById('navsubaboutus').style.visibility = "hidden";
	document.getElementById('navsubservices').style.visibility = "hidden";
	document.getElementById('navsubclients').style.visibility = "hidden";
	document.getElementById('navsubcontact').style.visibility = "hidden";
}

//-------------------------------------------------------------------

function menuTimeout(){	
	if (event.button == 1) {
		var timer = setTimeout("hideAll();", 500);
	}
}

//-------------------------------------------------------------------

document.onmousedown = menuTimeout;

//-------------------------------------------------------------------