// JavaScript Document

function showCert (szFilename)
{
	var Cert = document.getElementById ('bigcert');
	var Menu = document.getElementById ('leftmenu');
	var Img  = document.getElementById ('bigcert');
	if (Cert)
	{
		var nTop = 300;
		Cert.src = 'images/certs/large/' + szFilename;
		Img.onload = function ()
		{
			var nHeight = parseInt (Img.height);
			if (nHeight > 50)
			{
				nTop += nHeight;
				nTop -= 50;
			}
			if (Menu)
				Menu.style.top = nTop + 'px';
			Cert.style.visibility = 'visible';
		}
	}
}

function hideCert ()
{
	var Cert = document.getElementById ('bigcert');
	var Menu = document.getElementById ('leftmenu');
	if (Cert)
	{
		Cert.style.visibility = 'hidden';
		if (Menu)
			Menu.style.top = '300px';
	}
}