<!--

var cas = 1000;
var pauza = 5000;
var rychlost = Math.round(cas / 100);
var casovac = 0;
var obrazok = 0;


function preload() {
	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=preload.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


function nastav(opacita, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacita / 100);
	object.MozOpacity = (opacita / 100);
	object.KhtmlOpacity = (opacita / 100);
	object.filter = "alpha(opacity = " + opacita + ")";
	if (opacita < 50) {
		document.getElementById("odpoved_1").style.display = "inline";
		document.getElementById("odpoved_2").style.display = "none";
	} else {
		document.getElementById("odpoved_2").style.display = "inline";
		document.getElementById("odpoved_1").style.display = "none";
	}
}


function efekt() {
	if (obrazok == 0) {
		for(i = 0; i <= 100; i++) {
			setTimeout("nastav(" + i + ",'header_2')", (casovac * rychlost));
			casovac++;
		}
	} else {	
		for(i = 100; i >= 0; i--) {
			setTimeout("nastav(" + i + ",'header_2')", (casovac * rychlost));
			casovac++;
		}
	}
	obrazok = 1 - obrazok;
	setTimeout("efekt()", pauza);
}


window.onload = function(e) {
	preload('/img/header/intro_2.jpg');
	nastav(0, 'header_2');
	document.getElementById('header_2').style.backgroundImage = "url(/img/header/intro_2.jpg)";
	document.getElementById("odpoved_1").style.display = "inline";
	setTimeout("efekt()", pauza);
}

function lightWindow_DoneLoading(){myLightWindow.activateWindow({href: 'img/popup.jpg'});}

//-->