browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

if (browser_name == "Netscape" && browser_version >= 3.0)
{
	version = 'good';
} else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0)
{
	version = 'good';
} else
{
	version = 'bad';
}

if (version == 'good')
{
	menupoz1on = new Image();
	menupoz1on.src = "images/menu_akt/menu_1.jpg"
	menupoz1off = new Image();
	menupoz1off.src="images/menu/menu_1.jpg"
	
	menupoz2on = new Image();
	menupoz2on.src = "images/menu_akt/menu_2.jpg"
	menupoz2off = new Image();
	menupoz2off.src="images/menu/menu_2.jpg"
	
	menupoz3on = new Image();
	menupoz3on.src = "images/menu_akt/menu_3.jpg"
	menupoz3off = new Image();
	menupoz3off.src="images/menu/menu_3.jpg"

	menupoz4on = new Image();
	menupoz4on.src = "images/menu_akt/menu_4.jpg"
	menupoz4off = new Image();
	menupoz4off.src="images/menu/menu_4.jpg"
	
	menupoz5on = new Image();
	menupoz5on.src = "images/menu_akt/menu_5.jpg"
	menupoz5off = new Image();
	menupoz5off.src="images/menu/menu_5.jpg"
}

function img_act(imgName)
{
	if (version == "good")
	{
		imgOn = eval(imgName + "on.src");
		document [imgName].src = imgOn;
	}
}

function img_inact(imgName)
{
	if (version == "good")
	{
		imgOff = eval(imgName + "off.src");
		document [imgName].src = imgOff;
	}
}

function img_style_act(elemID)
{
	if (version == "good")
	{
		document.getElementById(elemID).className = "menu_pion_act";
	}
}

function img_style_inact(elemID)
{
	if (version == "good")
	{
		document.getElementById(elemID).className = "menu_pion_inact";
	}
}

function img_style_poz_akt(elemID)
{
	if (version == "good")
	{
		document.getElementById(elemID).className = "menu_poz_akt";
	}
}

function img_style_poz(elemID)
{
	if (version == "good")
	{
		document.getElementById(elemID).className = "menu_poz";
	}
}


// Copyright 2006-2007 javascript-array.com

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;