// JavaScript Document

//načtení obrázků předem
function downloadImg() {
	imgSrc = new Array();
	imgSrc[0] = "img/provozovny/hp_provoz_1.jpg";
	imgSrc[1] = "img/provozovny/hp_provoz_2.jpg";
	imgSrc[2] = "img/provozovny/hp_provoz_3.jpg";
	imgSrc[3] = "img/provozovny/hp_provoz_4.jpg";
	imgSrc[4] = "img/provozovny/hp_provoz_5.jpg";
	imgSrc[5] = "img/provozovny/hp_provoz_6.jpg";
	imgSrc[6] = "img/provozovny/hp_provoz_7.jpg";
	imgSrc[7] = "img/provozovny/hp_provoz_8.jpg";
	
	imgSrc[8] = "img/layout/folder_akt.gif";
	imgSrc[9] = "img/layout/folder_sel.gif";
	
	imgObj = new Array();
	for (i=0; i<imgSrc.length; i++)
	{
		imgObj[i] = new Image();
		imgObj[i].src = imgSrc[i];
	}
}

//zobrazování fotografií poboček
function showTitlFoto(num) {
	document.getElementById("hp_foto_0").style.display = "none";
	document.getElementById("hp_desc_0").style.display = "none";

	menu = document.getElementById('map_box');
	elemnets = menu.getElementsByTagName('IMG');
	if (elemnets.length > 0)
	{
		for (i=0; i<elemnets.length; i++ )
		{
			elemnets[i].style.display = "none";
		}
	}
	
	elemnets = menu.getElementsByTagName('SPAN');
	if (elemnets.length > 0)
	{
		for (i=0; i<elemnets.length; i++ )
		{
			elemnets[i].style.display = "none";
		}
	}
	
	var objName = "hp_foto_"+num;
	var objDesc = "hp_desc_"+num;
	if (document.getElementById(objName)){
			document.getElementById(objName).style.display = "block";}
	if (document.getElementById(objDesc)){
			document.getElementById(objDesc).style.display = "block";}
}


function switchDisplay(id){
    var element=document.getElementById(id);
    if (element){
        if (element.style.display == 'block') {
            element.style.display = 'none';
        }else{
            element.style.display = 'block';
        }
    }
}

function dotHover(id,style){
    var object= document.getElementById(id);
    if(object) {
        if (style == "1"){
            object.className="mapDot selected";
            //object.style.backgroundColor="red";
        }else{
            object.className="mapDot";
            //object.style.backgroundColor="blue";
        }
        
    }
}