function fetch_object(idname)
{
	var my_obj = document.getElementById(idname);
	return my_obj;
}
function toggle_nav(obj)
{
	for (i = 1; i<= 8; i++  )
	{
		var nav_hover = fetch_object("na_" + i);
		var nav_img = fetch_object("nav_" + i);
		var sub_nav = fetch_object("sub_nav_" + i);
		var sub_nav_index =  fetch_object("sub_nav_0");
		sub_nav_index.style.display = "none";
		if (obj == i)
		{
			document.getElementById("na_"+i).className="nh";
			//nav_img.src = "images/nav/nav_" + i + "_on.gif";
			sub_nav.style.display = "block";
		}
		else
		{
			document.getElementById("na_"+i).className="nn";
			//nav_img.src = "images/nav/nav_" + i + "_off.gif";
			sub_nav.style.display = "none";
		}
	}
}

function toggle_nav_pr(obj)
{
	for (i = 1; i<= 3; i++  )
	{
		var nav_hover = fetch_object("na_" + i);
		var nav_img = fetch_object("nav_" + i);
		var sub_nav = fetch_object("sub_nav_" + i);
		var sub_nav_index =  fetch_object("sub_nav_0");
		sub_nav_index.style.display = "none";
		if (obj == i)
		{
			document.getElementById("na_"+i).className="nh";
			//nav_img.src = "images/nav/nav_" + i + "_on.gif";
			sub_nav.style.display = "block";
		}
		else
		{
			document.getElementById("na_"+i).className="nn";
			//nav_img.src = "images/nav/nav_" + i + "_off.gif";
			sub_nav.style.display = "none";
		}
	}
}

function imgAlphaIn(imgsub)
{
	imgsub.style.filter="alpha(opacity=50)";
}
function imgAlphaOut(imgsub)
{
	imgsub.style.filter="alpha(opacity=100)";
}
function buttonIn(getspan)
{
	getspan.style.backgroundColor="#C3FF65";
}
function buttonOut(getspan)
{
	getspan.style.backgroundColor="#86CEFF";
}