// Copyright 2006-2007 javascript-array.com

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	//if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	if(ddmenuitem) ddmenuitem.style.display = 'none';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.display = 'block';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.display = 'none';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 

function setPosition(_name) {
	alert(_name);
	var _img = document.getElementsByName(_name);
	_img = _img[0];
	var _menu = document.getElementById("menu_subdown");
	//_menu.style.left = "100px";
	//_menu.style.left = _img.clientLeft+"px";
	//alert(_img.clientLeft);
	//alert(_img.offsetLeft);
	var _arr = absolutePos(_img, false);
	_menu.style.left = _img.offsetLeft +"px";
	alert(_arr);
	//_menu.style.top = _arr[1];
		//_img.style.left;
}

function absolutePos(subject,inAbsolute) {
	var aLeft = aTop = 0;
	if (inAbsolute) {
		aLeft += subject.offsetLeft;
    aTop += subject.offsetTop;
	} else {
 		if (subject.offsetParent) {
    	do {
      	aLeft += subject.offsetLeft;
        aTop += subject.offsetTop;
      } while (subject == subject.offsetParent);
    }
	}
  return [aLeft,aTop];
}