function ukaz(menu){
	if (menu == 1) {
		if (document.fas.src.indexOf("plus.gif") != -1 ) {
			document.getElementById("podmenu1").style.display="block";
			document.fas.src = 'grafika/minus.gif';
		} else {
			document.getElementById("podmenu1").style.display="none";
			document.fas.src = 'grafika/plus.gif';
		}	
	} else if (menu == 2) {
		if (document.poj.src.indexOf("plus.gif") != -1 ) {
			document.getElementById("podmenu2").style.display="block";
			document.poj.src = 'grafika/minus.gif';
		} else {
			document.getElementById("podmenu2").style.display="none";
			document.poj.src = 'grafika/plus.gif';
		}	
	}else if (menu == 3) {
		if (document.dop.src.indexOf("plus.gif") != -1 ) {
			//document.getElementById("podmenu3").style.display="block";
			document.dop.src = 'grafika/minus.gif';
		} else {
			//document.getElementById("podmenu3").style.display="none";
			document.dop.src = 'grafika/plus.gif';
		}	
	}
}

function vyznac(element) {
	document.getElementById(element).style.backgroundColor="#32628f";
	document.getElementById(element).style.color="#FFFFFF";			
}
//nacitanie obrazku a priradenie suradnic objektom
function nacitajObrazok(e,obr){
	if (!e) {var e = window.event};//IE
	if (e.pageX || e.pageY){//Moz
		x = e.pageX-90; 
		y = e.pageY-10;
	} else if (e.clientX || e.clientY){//IE
		x = e.clientX-102; 
		y = e.clientY-12;
	}
	if (window.pageYOffset) {
		//FF Opera - nepripocitavat skrolovanie
	} else if (document.documentElement.scrollTop) {
		y += document.documentElement.scrollTop;
	}
	//tabulka s obrazkom
	tx = x+"px";
	ty = y+"px";
	document.getElementById('cely_obr').style.left=tx;
	document.getElementById('cely_obr').style.top=ty;
	//oble biele pozadie s ciarou
	x = x-5;
	tx = x+"px";
	y = y-5;
	ty = y+"px";
	document.getElementById('biely').style.left=tx;
	document.getElementById('biely').style.top=ty;
	//prisevitne modre oble
	x = x-6;
	tx = x+"px";
	y = y-6;
	ty = y+"px";
	document.getElementById('oramovanie').style.left=tx;
	document.getElementById('oramovanie').style.top=ty;
	document.images['velky'].src="prvky/"+obr+".gif";
	document.images['velky'].title="Alufix"+obr;
	document.images['velky'].alt="Alufix"+obr;
}
//zobrazenie obrazka ked je nacitany
function ukazObrazok() {
	document.getElementById('cely_obr').style.display="block";
	pozY = parseInt(document.getElementById('cely_obr').style.top);
	vyskaObrazka = document.images['velky'].height;
	if (window.innerWidth) { //Opera, FF
		vyskaSkrol = window.pageYOffset;
		vyskaOkna = window.innerHeight;
	} else if (document.documentElement) {						//IE, FF
		vyskaSkrol = document.documentElement.scrollTop;
		vyskaOkna = document.documentElement.clientHeight;
	}
	pozY -= vyskaSkrol;
	if (pozY + vyskaObrazka > vyskaOkna) {
		y = vyskaOkna - vyskaObrazka + vyskaSkrol - 11;
		ty = y+"px";
		document.getElementById('cely_obr').style.top=ty;
		y = y-5;
		ty = y+"px";
		document.getElementById('biely').style.top=ty;
		y = y-6;
		ty = y+"px";
		document.getElementById('oramovanie').style.top=ty;	
	}
	sirka_o = 186;
	vyska_o = document.images['velky'].height;
	si = sirka_o+"px";
	vy = vyska_o+"px";
	document.getElementById('sirka').style.width=si;
	document.getElementById('vyska').style.height=vy;
	document.getElementById('biely').style.display="block";
	document.getElementById('oramovanie').style.display="block";
	sirka_o = sirka_o+10;
	vyska_o = vyska_o+10;
	si = sirka_o+"px";
	vy = vyska_o+"px";
	document.getElementById('sirka1').style.width=si;
	document.getElementById('vyska1').style.height=vy;
}

function zrusObrazok() {
	document.getElementById('biely').style.display="none";
	document.getElementById('cely_obr').style.display="none";
	document.getElementById('oramovanie').style.display="none";
}

function zalozka(title,url){
	if (window.sidebar) // firefox
		window.sidebar.addPanel(title, url, "");
	else if(window.opera && window.print){ // opera
		alert("Stlačte CTRL+D");
	}
	else if(document.all)// IE
		window.external.AddFavorite(url, title);
}

function ukazMail () {
	document.getElementById('mail').style.display="block";
}

function zatvorMail () {
	document.getElementById('mail').style.display="none";	
}