ng5 = (document.getElementById) ? true:false

function hideSec(n)
{ 
	if (ng5)
	{
		document.getElementById('sec1').style.visibility = "hidden";
		document.getElementById('sec3').style.visibility = "hidden";
		document.getElementById(1).style.background = "#2d64ac";
		document.getElementById(3).style.background = "#2d64ac";
		/*document.getElementById(8).style.background = "#3b77c5";
		document.getElementById(9).style.background = "#3b77c5";*/
	}
}

function showSec(n)
{ 
	if (n == 1)
	{
		hideSec(); 
		if (ng5)
		{ 
			document.getElementById('sec1').style.visibility = "visible"; 
			document.getElementById('sec1').style.top = "48px";
			document.getElementById(n).style.background = "#22579c";
		}
	}
	else if (n == 3)
	{
		hideSec(); 
		if (ng5)
		{ 
			document.getElementById('sec3').style.visibility = "visible";
			document.getElementById('sec3').style.top = "92px";
			document.getElementById(n).style.background = "#22579c";
		}
	}
}