var menuids=["tree"] 

function buildsubmenus_horizontal(){
for (var i=0; i<menuids.length; i++){
  var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
    for (var t=0; t<ultags.length; t++){
		if (ultags[t].parentNode.parentNode.id==menuids[i]){ //if this is a first level submenu
			ultags[t].style.top=ultags[t].parentNode.offsetHeight+"px" //dynamically position first level submenus to be height of main menu item
			ultags[t].parentNode.getElementsByTagName("a")[0].className="mainfoldericon"
		}
		else{ //else if this is a sub level menu (ul)
		  ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" //position menu to the right of menu item that activated it
    	ultags[t].parentNode.getElementsByTagName("a")[0].className="subfoldericon"
		}
    ultags[t].parentNode.onmouseover=function(){
    this.getElementsByTagName("ul")[0].style.visibility="visible"
    }
    ultags[t].parentNode.onmouseout=function(){
    this.getElementsByTagName("ul")[0].style.visibility="hidden"
    }
    }
  }
}

if (window.addEventListener)
window.addEventListener("load", buildsubmenus_horizontal, false)
else if (window.attachEvent)
window.attachEvent("onload", buildsubmenus_horizontal)



function noveokno(url){
	wasOpen = false;
	win = window.open(url);
	return (typeof(win)=='object')?true:false;
}
var url;
var vyska=0;
var sirka=0;

function nahled(url,vyska,sirka){
	vyska = Number(vyska);
	sirka = Number(sirka);
	nahledx = window.open('' , 'DisplayWindow' , 'width=1200,height=1200,menubar=0,resizable=0,scrollbars=0,status=0,toolbar=0,copyhistory');
	nahledx.resizeTo(sirka+10,vyska+90)
	nahledx.document.writeln('<html><head><title>Autojeřáby Jurkovič</title></head>');
	nahledx.document.writeln('<body bgcolor="white" topmargin="0" leftmargin="0" link="#000080" vlink="#000080">');
	nahledx.document.writeln('<p align="center"><a href="javascript:window.close()">');
	nahledx.document.writeln('<img src="',url,'" width="',sirka,'" height= "',vyska,'" border="0" alt="Zavřít okno" />');
	nahledx.document.writeln('<br><b><font face="Verdana" size="2">Zavřít okno</font></b></a></p>');
	nahledx.document.writeln('</body>');
	nahledx.document.writeln('</html>');
}

function openWindow() {
eforms = window.open("","window",'toolbar=0,location=0,scrollbars=yes,width=400,height=400,resizable=1,left=10,top=10');
eforms.focus()
}

function zkontroluj(formular)
{
if (formular.osoba.value=="")
{
alert("Vyplňte prosím osobu - jméno");
formular.osoba.focus();
return false;
}
else if (formular.tel.value=="")
{
alert("Vyplňte prosím Vaše telefonní číslo");
formular.tel.focus();
return false;
}
else if (formular.jerab.value=="")
{
alert("Vyplňte prosím preferovaný jeřáb");
formular.jerab.focus();
return false;
}
else if (formular.mail.value=="")
{
alert("Zadejte prosim Vas email");
formular.mail.focus();
return false;
}
else 
return true;
}
