function get_pos(obj)
{

	if (typeof obj == "string")
		obj = document.getElementById(obj);

	var cur_left = 0, cur_top = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			cur_left += obj.offsetLeft;
			cur_top += obj.offsetTop;

			obj = obj.offsetParent;
		}
	}
	else if (obj.x && obj.y)
	{
		cur_left += obj.x;
		cur_top += obj.y;
	}

	return new Array(cur_left, cur_top);

}


function get_pos_x(obj)
{
	var pos_array = get_pos(obj);

	return pos_array[0];
}


function get_pos_y(obj)
{
	var pos_array = get_pos(obj);

	return pos_array[1];
}