<!-- START HIDING FROM OLD BROWSERS

ns= window.navigator.appName == "Netscape";
ie= window.navigator.appName == "Microsoft Internet Explorer";

function subMenu(x)
{
	var submenus= 7;
	for (i= 0; i < submenus; i++)
	{
		if (ie) { document.all.submenu[i].style.visibility= i == x ? "visible" : "hidden"; }
		if (ns) { document.layers[3+i].visibility=          i == x ? "show"    : "hide"; }
	}
}

var is_major = parseInt(navigator.appVersion);
var is_minor = parseFloat(navigator.appVersion);

if (is_major > 2)
{
	navbar1off = new Image();
	navbar1off.src = "/lib/images/aboutus_off.gif";
	
	navbar2off = new Image();
	navbar2off.src = "/lib/images/contact_off.gif";
	
	navbar3off = new Image();
	navbar3off.src = "/lib/images/search_off.gif";	
		
	navbar1on = new Image();
	navbar1on.src = "/lib/images/aboutus_on.gif";
	
	navbar2on = new Image();
	navbar2on.src = "/lib/images/contact_on.gif";
	
	navbar3on = new Image();
	navbar3on.src = "/lib/images/search_on.gif";
}

function imageSwitch(imageName)
{
	if (is_major > 2)
	{
		document.images[imageName].src = eval (imageName+"on").src;
	}
}

function imageUnSwitch(imageName)
{
	if (is_major > 2)
	{
		document.images[imageName].src = eval (imageName+"off").src;
	}
}
// end hiding-->