var isNetscape = false;
var isNetscape6 = false;
var interval = 0;
var initialized = false;

function GetBrowser()
{
	if (navigator.appName == "Netscape")
	{
		isNetscape = true;
		if (parseFloat(navigator.appVersion) >= 5.0)
		{
			isNetscape6 = true;
			HideAllMenusNetscape6();
		}
		else
		{
			HideAllMenusNetscape();
		}
	}
	else
	{
		isNetscape = false;
		HideAllMenusIE();
	}
	initialized = true;
	return true;
}

function ShowMenuNetscape(theMenu)
{
	if (theMenu.visibility == "hide")
	{
		HideAllMenusNetscape();
		window.document.SearchFormNetscape.visibility = "hide";
		theMenu.visibility = "show";
		interval = window.setInterval("HideAllMenusNetscape()", 5000);
	}
	else
		theMenu.visibility = "hide";
	return false;
}

function ShowMenuNetscape6(theMenu)
{
	if (theMenu.style.visibility == "hidden")
	{
		HideAllMenusNetscape6();
		theMenu.style.visibility = "visible";
		interval = window.setInterval("HideAllMenusNetscape6()", 5000);
	}
	//else
		//theMenu.style.visibility = "hidden";
	return false;
}

function ShowMenuIE(theMenu)
{
	if (theMenu.style.visibility == "hidden")
	{
		HideAllMenusIE();
		theMenu.style.visibility = "visible";
		interval = window.setInterval("HideAllMenusIE()", 5000);
	}
	//else
		//theMenu.style.visibility = "hidden";
	return false;
}

function HideMenuNetscape(theMenu)
{
	theMenu.visibility = "hide";
	window.clearInterval(interval);
	return true;
}

function HideMenuNetscape6(theMenu)
{
	theMenu.style.visibility = "hidden";
	window.clearInterval(interval);
	return true;
}

function HideMenuIE(theMenu)
{
	theMenu.style.visibility = "hidden";
	window.clearInterval(interval);
	return true;
}

function HideAllMenusNetscape()
{
	window.document.themenu0.visibility = "hide";
	window.document.themenu1.visibility = "hide";
	window.document.themenu3.visibility = "hide";
	window.document.SearchFormNetscape.visibility = "show";
	window.clearInterval(interval);
	
	return false;
}

function HideAllMenusNetscape6()
{
	document.getElementById("dropmenu0").style.visibility = "hidden";
	document.getElementById("dropmenu1").style.visibility = "hidden";
	document.getElementById("dropmenu3").style.visibility = "hidden";
	if (initialized)
		window.clearInterval(interval);

	return false;
}

function HideAllMenusIE()
{
	dropmenu0.style.visibility = "hidden";
	dropmenu1.style.visibility = "hidden";
	dropmenu3.style.visibility = "hidden";
	window.clearInterval(interval);

	return false;
}

function GoBack()
{
	history.back();
	return false;
}