//The source of the images, dynamically loaded
var of_img_src;
var of_img_over_src;
var oo_img_src;
var oo_img_over_src;

//das About Window öffnen
function openAbout(uilang){
	var url = "../../about.php?uilang=" + uilang;
	var about = window.open(url,"About", "dependent=0, resizable=1, menubar=0, scrollbars=0, status=0, width=350, height=240");
	about.focus();
}

//das Performance Window öffnen
function openPerformance(id, uilang){
	var url = "show_performance.php?id=" + id + "&uilang=" + uilang;
	var perf = window.open(url,"Performance", "dependent=0, resizable=1, menubar=0, scrollbars=1, status=0, width=450, height=450");
	perf.focus();
}

//das Review Window öffnen
function openReview(id, uilang){
	var url = "show_review.php?id=" + id + "&uilang=" + uilang;
	var rev = window.open(url,"Review", "dependent=0, resizable=1, menubar=0, scrollbars=1, status=0, width=650, height=450");
	rev.focus();
}

//das subscription window öffnen
function openSubscription(){
	var uilang = getUILang();
	if (uilang == "") {
		uilang = "de";
	}
	var url = "../../subscription.php?uilang=" + uilang;
	window.location.href = url;
}

//das Opera Guide standard window öffnen
function openGuide(){
	openOverview("A");
}

//die Übersicht mit dem entsprechenden Anfangsbuchstabe darastellen.
function openOverview(first_letter) {
	var uilang = getUILang();
	if (uilang == "") {
		uilang = "de";
	}
	var url = "../../opern_komponisten.php?uilang=" + uilang + "&first-letter=" + first_letter;
	window.location.href = url;
}

//die uilanguage auslesen
function getUILang(){
	var params = window.location.search;
	var uilang = params.substr(params.indexOf("uilang=") + 7, 2);
	return uilang;
}

//die Sprache wechseln
function switchLanguage() {
	var uilang = getUILang();
	if (uilang == "de") {
		var url = window.location.href;
		url = url.replace(/uilang=de/,"uilang=en");
	} else if (uilang == "en") {
		var url = window.location.href;
		url = url.replace(/uilang=en/,"uilang=de");
	} else {
		var url = window.location.href;
		url = url + "index.php?uilang=en";
	}
	window.location.href = url;
}

//herausfinnden ob dies eine subscription Seite ist
function isSubscription(){
	return (window.location.href.indexOf("subscription.php") != -1);
}

//die Funktionen für die Suche über Reviews
function search() {
	var query = window.document.forms[0].query.value;
	var lang = window.document.forms[0].uilang.value;
	var url = "search_reviews.php?uilang=" + lang + "&query=" + query;
	window.location.href = url;
}

//das aktive window setzen
//ugly hack weil alles im gleichen header jsp ist
function initGlobals(){
	var uilang = getUILang();
	
	if (uilang == "en") {
		of_img_src = "../../../pics/opernfuehrer_button_en.gif";
		of_img_over_src = "../../../pics/opernfuehrer_button_en_over.gif";
		oo_img_src = "../../../pics/operonline_button_en.gif";
		oo_img_over_src = "../../../pics/operonline_button_en_over.gif";
	} else {
		of_img_src = "../../../pics/opernfuehrer_button.gif";
		of_img_over_src = "../../../pics/opernfuehrer_button_over.gif";
		oo_img_src = "../../../pics/operonline_button.gif";
		oo_img_over_src = "../../../pics/operonline_button_over.gif";
	}
	
	if (isSubscription()){
		window.document.opernfuehrer.src = of_img_src;
		window.document.operonline.src = oo_img_over_src;
	} else {
		window.document.opernfuehrer.src = of_img_over_src;
		window.document.operonline.src = oo_img_src;
	}
		
	//preload the images
	MM_preloadImages(of_img_src, of_img_over_src, oo_img_src, oo_img_over_src);
	
}

//die images im titel der Seite swappen
function swapTitleOF(){
	if (isSubscription()) {
		MM_swapImage("opernfuehrer", "", of_img_over_src, "operonline", "", oo_img_src, 1);
	} 
}

function swapTitleOO(){
	if (!isSubscription()) {
		MM_swapImage("opernfuehrer", "", of_img_src, "operonline", "", oo_img_over_src, 1);
	}
}

//von Macromedia DreamWeaver
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.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];}}
}

//von Macromedia DreamWeaver
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

//von Macromedia DreamWeaver
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

//von Macromedia DreamWeaver
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//von Macromedia DreamWeaver
function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}