rollOver = new Array;
rollOver[0] = new Image();
rollOver[0].src="./images/menu_nabidka_over.gif";
rollOver[1] = new Image();
rollOver[1].src="./images/menu_poptavka_over.gif";
rollOver[2] = new Image();
rollOver[2].src="./images/menu_sluzby_over.gif";
rollOver[3] = new Image();
rollOver[3].src="./images/menu_napiste_over.gif";
rollOver[4] = new Image();
rollOver[4].src="./images/menu_kontakt_over.gif";
rollOver[5] = new Image();
rollOver[5].src="./images/menu_topten_over.gif";


function pop(theURL,winName,features){
	img = window.open(theURL,winName,features);
	img.focus();
}

function check(){
	var err = 0;	

	if(document.getElementById("jmeno").value == "")
		err++;
	
	if(document.getElementById("prijmeni").value == "")
		err++;

	if(document.getElementById("telefon").value.length < 9)
		err++;
	
	if(err > 0){
		alert("Položky Jméno, Příjmení, Telefon a Ověření musí být vyplněny");
		return false;	
	}

	if(document.getElementById("kontrola").value != (document.getElementById("invis").value / 3)){
		alert('hodnota v poli Ověření nesouhlasí');
		return false;
	}
	
	return true;
}

function rollSwitch(name,m){
	picSwap(name, rollOver[m]);
}

function picSwap(i1, i2){
	var temp = i1.src;
	i1.src=i2.src;
	i2.src=temp;
}

function smazat(){
	var agree=confirm("Opravdu vymazat?");
	if (agree)
	 	return true;
	else
		return false;
}