// JavaScript Document

// zvyraznenie 3 boxov na titulke

function turnOn(myId,myClassName)
{
	var element = document.getElementById(myId);
	element.className = myClassName;
}

function turnOff(myId,myClassName)
{
	var element = document.getElementById(myId);
	element.className = myClassName;
}

// zobrazenie menu 

function showMenu(name)
{
	if(document.getElementById)
	{
		var element = document.getElementById(name);
		element.style.visibility = "visible";
	}
	else
	{
		//alert('nn');
		document.layers[name].visibility = "visible";
	}
}

function hideMenu(name)
{
	if(document.getElementById)
	{
		var element = document.getElementById(name);
		element.style.visibility = "hidden";
	}
	else
	{
		//alert('nn');
		document.layers[name].visibility = "hidden";
	}
}



imgsrc = new Array();
imgsrc[1] = "Img/topmenu_01_off.gif";
imgsrc[2] = "Img/topmenu_01_on.gif";
imgsrc[3] = "Img/topmenu_02_off.gif";
imgsrc[4] = "Img/topmenu_02_on.gif";
imgsrc[5] = "Img/topmenu_03_off.gif";
imgsrc[6] = "Img/topmenu_03_on.gif";
imgsrc[7] = "Img/topmenu_04_off.gif";
imgsrc[8] = "Img/topmenu_04_on.gif";
imgsrc[9] = "Img/topmenu_05_off.gif";
imgsrc[10] = "Img/topmenu_05_on.gif";
imgsrc[11] = "Img/submenu_01a_off.gif";
imgsrc[12] = "Img/submenu_01a_on.gif";
imgsrc[13] = "Img/submenu_02a_off.gif";
imgsrc[14] = "Img/submenu_02a_on.gif";
imgsrc[15] = "Img/submenu_03a_off.gif";
imgsrc[16] = "Img/submenu_03a_on.gif";


if (zistiVerziu()) {
  img = new Array();
  for (i = 1; i < imgsrc.length; i++) {
    img[i] = new Image();
    img[i].src = imgsrc[i];
  }
}


function zistiVerziu() {
	appname= navigator.appName;
	appversion = navigator.appVersion;
	majorver = appversion.substring(0, 1); 
	if ( (appname == "Netscape") && ( majorver > 3 ) ) return 1;
	if ( (appname == "Microsoft Internet Explorer") && (majorver >= 4) ) return 1;
	if ( (appname == "Opera") && (majorver >= 6) ) return 1;	
	return 0;

}


function vymen(num, imgname) {
	if (zistiVerziu()) {
	document[imgname].src = img[num].src;
	}
}

function zobrazStatus(txt) {
	status=txt;
}

function myDate()
{

	myArray = new Array("january", "february", "march", "april", "may", "jun", "july", "august", "september", "october", "november", "december")

	today = new Date();

	with (today)
	{
		myDay = getDate();
		myMonth = myArray[getMonth()];
		myYear = getFullYear();
	}

	document.write(myDay + ". " + myMonth + " " + myYear);
}