var page = 0;

function loadMenu(num)
{
	var menuObject = getXmlHttpObject(
		function()
		{
			if ( menuObject.readyState == 4 || menuObject.readyState == "complete" )
			{
				document.getElementById( "mainmenu" ).innerHTML = menuObject.responseText;
				linkChange(num);
				page = num;
			}
		}
	);

	HTTPGetRequest( menuObject, "MainMenu.htm" );
}

function linkOver(num)
{
	document.getElementById("link" + num ).src = "pix/" + num + "b.png";
}

function linkOut(num)
{
	if ( page == num )
		return;
	document.getElementById("link" + num ).src = "pix/" + num + "a.png";
}

function linkChange(num)
{
	document.getElementById("link1").src = "pix/1a.png";
	document.getElementById("link2").src = "pix/2a.png";
	document.getElementById("link3").src = "pix/3a.png";
	document.getElementById("link4").src = "pix/4a.png";
	document.getElementById("link5").src = "pix/5a.png";
	document.getElementById("link6").src = "pix/6a.png";
	
	if ( num == 1 )
	{
		document.getElementById("link1").src = "pix/1b.png";
	}
	else if ( num == 2 )
	{
		document.getElementById("link2").src = "pix/2b.png";
	}
	else if ( num == 3 )
	{
		document.getElementById("link3").src = "pix/3b.png";
	}
	else if ( num == 4 )
	{
		document.getElementById("link4").src = "pix/4b.png";
	}
	else if ( num == 5 )
	{
		document.getElementById("link5").src = "pix/5b.png";
	}
	else if ( num == 6 )
	{
		document.getElementById("link6").src = "pix/6b.png";
	}
}