var getCache = new Array();
var locks = new Array();

function display_ad(zone,place) {
	place = document.getElementById(place);

	//place.innerHTML = "<center><img src='./media/loading.gif' border=0 alt='' /><br /><span style='font-family: verdana,tahome,arial; font-size: 12px'> </span></center>";

	url = './'+zone+',ad.html';  
      	try {xmlhttp = window.XMLHttpRequest?new XMLHttpRequest(): new ActiveXObject("Microsoft.XMLHTTP");}  catch (e) { alert("Error: Could not load page.");}
      	xmlhttp.onreadystatechange = function(){
             	if ((xmlhttp.readyState == 4) && (xmlhttp.status == 200)) {
			place.innerHTML = xmlhttp.responseText;
			var tmp = xmlhttp.responseText.split('<script>');
			if (tmp.length >= 2) {
				tmp = tmp[1].split("</script>");
				eval(tmp[0]);
			}
		}
        }

        xmlhttp.open("GET", url);
        xmlhttp.send(null);
        return false;
}

function add_to_favourites() {
	var url = document.location.href;
	var title = document.title;
 
	if ((window.external) && (navigator.userAgent.toLowerCase().indexOf('chrome')<=0))
		window.external.AddFavorite( url, title); 
	else if ((window.sidebar) || (window.opera)) {  
		document.getElementById("add_to_favourites").title = title;
		document.getElementById("add_to_favourites").href = url; 
	} else 
		document.getElementById("add_to_favourites").href = "javascript:alert('Wciśnij CTRL+D')";

	return false;
}
 
function init_js() { 
	var aElements = document.getElementsByTagName("a");

	for (i = 0; i < aElements.length; i++) {
  		if (aElements[i].rel.substr(0,8) == "lightbox") {
			if ((aElements[i].id == "") || (aElements[i].id == null))
				aElements[i].id = "a_"+(new Date()).getTime()+Math.floor(Math.random()*10000);
			 
			if (aElements[i].rel.substr(9,3) == "img")
				imgElem.push(aElements[i].id);
			else if (aElements[i].rel.substr(9,3) == "swf")
				swfElem.push(aElements[i].id);
			else if (aElements[i].rel.substr(9,3) == "mp3")
				mp3Elem.push(aElements[i].id);
			else if (aElements[i].rel.substr(9,3) == "flv")
				flvElem.push(aElements[i].id);
			aElements[i].onclick = function() { return overlay(this.href.replace("",""),this.id); };
        } //else {
		//	if ((aElements[i].href.indexOf("http://") < 0) && (aElements[i].href.indexOf("javascript") < 0) && (aElements[i].href != "#"))
		//		aElements[i].onclick = function() { return getContent(this.href,"content_holder"); };
		//}
	}
}

function Set_Cookie(name,value,expires,path) {
	var today = new Date();
	today.setTime( today.getTime() );

	if ( expires )
		expires = expires * 1000 * 60 * 60 * 24;
	var expires_date = new Date( today.getTime() + (expires) );
	
	document.cookie = name + "=" +escape( value ) + ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + ( ( path ) ? ";path=" + path : "" );
}

function Get_Cookie(name) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ((( !start ) && (name != document.cookie.substring( 0, name.length ))) || (start == -1))
		return null;
	var end = document.cookie.indexOf( ";", len );
	if (end == -1) end = document.cookie.length;
	return unescape(document.cookie.substring(len,end));
}

function getContent(url,container) {
	if ((getCache[url] != "") && (getCache[url] != undefined)){
		document.getElementById(container).innerHTML = getCache[url];
		init_js();
		return false;
	} else 
		document.getElementById(container).innerHTML = "<div style='width: 100%; text-align: center; padding-top: "+((document.getElementById(container).offsetHeight/2)-10)+"px;'><img src='./media/loader.gif' /></div>";

	try {xmlhttp = window.XMLHttpRequest?new XMLHttpRequest(): new ActiveXObject("Microsoft.XMLHTTP");}  catch (e) { alert("Error: Could not load page.");}
         
    xmlhttp.onreadystatechange = function(){
		if ((xmlhttp.readyState == 4) && (xmlhttp.status == 200)) {	
			document.getElementById(container).innerHTML = xmlhttp.responseText;
			getCache[url] = xmlhttp.responseText;
			setTimeout("init_js()",500);
		}
	}
    xmlhttp.open("GET", url);
    xmlhttp.send(null);
	return false;
}

var stop = false;

function show_slideshow(current_slide,id,start,force,typer) {
	var slideshow = document.getElementById(id).getElementsByTagName(typer);

	if ((slideshow.length == 1) || (stop == true) && (force != "true"))return "";
	if (current_slide >= slideshow.length)
		current_slide = 0;
	var last_slide = current_slide - 1;
	if (last_slide < 0)
		last_slide = slideshow.length - 1;
	for (i=0;i<slideshow.length;i++) {
		if (current_slide == i) {
			slideshow[i].style.opacity = 0;
			slideshow[i].style.filter = 'alpha(opacity=0)';
			if (start == "true") 
				slideshow[last_slide].style.zIndex = 1;
			slideshow[i].style.zIndex = parseInt(slideshow[last_slide].style.zIndex) + 1;
			slideshow[i].style.display = "block";
			if (start == "false")
				show_image("merge",i,last_slide,id,typer);
			else {
				slideshow[0].style.opacity = 1;
				slideshow[0].style.filter = 'alpha(opacity=100)';			
			}
		} else if ((last_slide != i) && (current_slide != i))
			slideshow[i].style.display = "none";
	}
	setTimeout("show_slideshow("+(current_slide+1)+",'"+id+"','false','false','"+typer+"')",5000);
}

function show_image(effect,new_slide,old_slide,id,typer) {
	var slideshow = document.getElementById(id).getElementsByTagName(typer);	
	if (effect == "merge") {
		var opacity = parseInt(slideshow[new_slide].style.opacity*100);
		if (opacity <= 90) {
			slideshow[new_slide].style.opacity = (opacity + 10)/100;
			slideshow[new_slide].style.filter = 'alpha(opacity='+(opacity + 10)+')';  		
			setTimeout("show_image('"+effect+"',"+new_slide+","+old_slide+",'"+id+"','"+typer+"')",50);
		} else {
			slideshow[old_slide].style.display = "none";
			return "";
		}
	}		
}

function show_slider_image(id) {
	show_slideshow(id,'gallery_div','false','true','div');
	show_slideshow(id,'author','false','true','span');	
	stop = true;
	//var ele = document.getElementById("slider_"+id).src.split(",");
	//document.getElementById("gallery_div").innerHTML = '<a rel="lightbox[img]" href="./media/uploaded_files/gallery/2,800,800,1,'+ele[(ele.length-1)]+'" id="a_1303302818968dd7"><img src="./media/uploaded_files/gallery/2,590,410,1,'+ele[(ele.length-1)]+'"></a>';
}

var slider_position = 0;

function slide_right() {
	slider_position = slider_position - 727;
	if (slider_position < (((-1)*parseInt(document.getElementById("sub_slider").style.width.replace("px","")))))
		slider_position = slider_position+727;
	document.getElementById("sub_slider").style.left = (slider_position)+"px";
}

function slide_left() {
	slider_position = slider_position + 727;
	if (slider_position > 0)
		slider_position = 0;
	document.getElementById("sub_slider").style.left = (slider_position)+"px";
}

function initial_clear(ele) {
		if (ele.value == "szukaj...")
			ele.value= "";	
}