var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 



// letajici reklama

function skyCrapper () {
$(document).ready(function(){ var skyscraperAd = $("#skyscraper"); var skyscraperOffset = skyscraperAd.offset().top; var skyscraperBottom = $("#footer").offset().top - skyscraperAd.height(); $(window).scroll(function() {   skyscraperAd.stop();   var windowTop = $(window).scrollTop();   if (windowTop > skyscraperOffset) {      if (windowTop > skyscraperBottom) windowTop = skyscraperBottom;      if (windowTop < 0) windowTop = 0;      skyscraperAd.animate({top: windowTop + 'px'}, 'fast');   } else      skyscraperAd.animate({top: skyscraperOffset + 'px'},'fast'); });});
}

// letajici reklama konec

function flipBox(who) {
	var tmp; 
	if (document.images['b_' + who].src.indexOf('_on') == -1) { 
		tmp = document.images['b_' + who].src.replace('_off', '_on');
		document.getElementById('box_' + who).style.display = 'none';
		document.images['b_' + who].src = tmp;
	} else { 
		tmp = document.images['b_' + who].src.replace('_on', '_off');
		document.getElementById('box_' + who).style.display = 'block';
		document.images['b_' + who].src = tmp;
	} 
}

function addText(elname, wrap1, wrap2) {
  if (elname == 'shout_message') form_name = 'chatform';
  else form_name = 'inputform';
	if (document.selection) { // for IE 
		var str = document.selection.createRange().text;
		document.forms[form_name].elements[elname].focus();
		var sel = document.selection.createRange();
		sel.text = wrap1 + str + wrap2;
		return;
	} else if ((typeof document.forms[form_name].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var txtarea = document.forms[form_name].elements[elname];
		var selLength = txtarea.textLength;
		var selStart = txtarea.selectionStart;
		var selEnd = txtarea.selectionEnd;
		var oldScrollTop = txtarea.scrollTop;
		//if (selEnd == 1 || selEnd == 2)
		//selEnd = selLength;
		var s1 = (txtarea.value).substring(0,selStart);
		var s2 = (txtarea.value).substring(selStart, selEnd)
		var s3 = (txtarea.value).substring(selEnd, selLength);
		txtarea.value = s1 + wrap1 + s2 + wrap2 + s3;
		txtarea.selectionStart = s1.length;
		txtarea.selectionEnd = s1.length + s2.length + wrap1.length + wrap2.length;
		txtarea.scrollTop = oldScrollTop;
		txtarea.focus();
		return;
	} else {
		insertText(elname, wrap1 + wrap2);
	}
}

function insertText(elname, what) {
  var form_name = '';
  if (elname == 'shout_message') form_name = 'chatform';
  else form_name = 'inputform';
	if (document.forms[form_name].elements[elname].createTextRange) {
		document.forms[form_name].elements[elname].focus();
		document.selection.createRange().duplicate().text = what;
	} else if ((typeof document.forms[form_name].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var tarea = document.forms[form_name].elements[elname];
		var selEnd = tarea.selectionEnd;
		var txtLen = tarea.value.length;
		var txtbefore = tarea.value.substring(0,selEnd);
		var txtafter =  tarea.value.substring(selEnd, txtLen);
		var oldScrollTop = tarea.scrollTop;
		tarea.value = txtbefore + what + txtafter;
		tarea.selectionStart = txtbefore.length + what.length;
		tarea.selectionEnd = txtbefore.length + what.length;
		tarea.scrollTop = oldScrollTop;
		tarea.focus();
	} else {
		document.forms[form_name].elements[elname].value += what;
		document.forms[form_name].elements[elname].focus();
	}
}

function show_hide(msg_id) {
	msg_id.style.display = msg_id.style.display == 'none' ? 'block' : 'none';
}

var rootdomain="http://"+window.location.hostname

function ajaxinclude(url) {
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.open('GET', url, false) //get page synchronously 
page_request.send(null)
writecontent(page_request)
}

function writecontent(page_request){
if (window.location.href.indexOf("http")==-1 || page_request.status==200)
document.write(page_request.responseText)
}

////////////////////////////////// fotogalerie

function zaslatForm()
///{{{
{
	elem = document.getElementById('zaslat-form');

	if (elem) {
		if (elem.style.display == '' || elem.style.display == 'none') {
			elem.style.display = 'block';
		} else {
			elem.style.display = 'none';
		}
	}
}
///}}}

function fbs_click() {
	u = location.href;
	t = document.title;
	window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),
	'sharer','toolbar=0,status=0,width=626,height=436');
	return false;
}

////////////////////////////////// konec fotogalerie