function nav_click(page_id)
{
	//alert("Page_id = " + page_id);
/*	
	switch (page_id)
	{
	case 0: document.location.href = "one.html"; break;
	case 1: document.location.href = "two.html"; break;
	case 2: document.location.href = "three.html"; break;
	case 3: document.location.href = "four.html"; break;
	case 4: document.location.href = "five.html"; break;
	}
*/	
	return true;
}

function set_current_tab(page_id)
{
	var e = document.getElementById("nav_" + page_id);
	var e2 = document.getElementById("nav_span_" + page_id);
	
	if (e && e2)
	{
		e.style.background = "#8cc642";
		e.style.color = "#fff";
		e2.style.background = "#8cc642";
	}
}