// variabile per il test di apertura della finestra opener di viewer, stereoviewer, streaming audio video, glossary
var motherOpened = true;

// GESTIONE DELLA FINESTRA ESTERNA VIEWER

var imgWin;
var imgWinOpened = false;

function openImgWindow(wurl, frameurl, wn, imgName, imgWidth, imgHeight) {
	if (!imgWinOpened) {
		imgWinOpened = true;
		winOpts = "toolbar=0,location=0,resizable=1,status=1,menubar=1,width=600,height=400";
		winURL = wurl;
		winName = wn;
		window.imageName = imgName;
		window.imageWidth = imgWidth;
		window.imageHeight = imgHeight;
		imgWin = window.open(winURL,winName,winOpts);
//		imgWin.focus();
	} else {
		if (imgWin.imgOpened == null) {
			imgWinOpened = true;
			winOpts = "toolbar=0,location=0,resizable=1,status=1,menubar=1";
			winURL = wurl;
			winName = wn;
			window.imageName = imgName;
			window.imageWidth = imgWidth;
			window.imageHeight = imgHeight;
			imgWin = window.open(winURL,winName,winOpts);
//			imgWin.focus();
		} else {
			imgWin.setImage(imgName);
			imgWin.setImageDim(imgWidth, imgHeight);
			imgWin.updateImageData(frameurl);
			imgWin.loadImage(imgWin.getImage(), 100);
			imgWin.focus();
			imgWin.frames['image'].history.go(0);
		}	
	}
	
//	alert(imgWin.imageName + "  iw = " + imgWin.imageWidth + "  ih = " + imgWin.imageHeight);
}

// GESTIONE DELLA FINESTRA ESTERNA STEREOVIEWER

var stereoimgWin;
var stereoimgWinOpened = false;

function openStereoImgWindow(wurl, frameurl, wn, imgName_l, imgName_r, imgWidth_s, imgHeight_s) {
	if (!stereoimgWinOpened) {
		stereoimgWinOpened = true;
		winOpts = "toolbar=0,location=0,resizable=1,status=1,menubar=1,width=600,height=400";
		winURL = wurl;
		winName = wn;
		window.imageName_l = imgName_l;
		window.imageName_r = imgName_r;
		window.imageWidth_s = imgWidth_s;
		window.imageHeight_s = imgHeight_s;
		stereoimgWin = window.open(winURL,winName,winOpts);
//		stereoimgWin.focus();
	} else {
//		if (stereoimgWin.stereoimgWinOpened == null) {
		if (stereoimgWin.stereoimgOpened == null) {
			stereoimgWinOpened = true;
			winOpts = "toolbar=0,location=0,resizable=1,status=1,menubar=1";
			winURL = wurl;
			winName = wn;
			window.imageName_l = imgName_l;
			window.imageName_r = imgName_r;
			window.imageWidth_s = imgWidth_s;
			window.imageHeight_s = imgHeight_s;
			stereoimgWin = window.open(winURL,winName,winOpts);
			stereoimgWin.focus();
		} else {
			stereoimgWin.setImageLeft(imgName_l);
			stereoimgWin.setImageRight(imgName_r);
			stereoimgWin.setImageDim(imgWidth_s, imgHeight_s);
			stereoimgWin.updateImageData(frameurl);
			stereoimgWin.loadImage(stereoimgWin.getImageLeft(), stereoimgWin.getImageRight(), 100);
			stereoimgWin.focus();
			stereoimgWin.frames['image_l'].history.go(0);
			stereoimgWin.frames['image_r'].history.go(0);
		}	
	}
	
//	alert("iw = " + stereoimgWin.imageWidth + "  ih = " + stereoimgWin.imageHeight);
}

// GESTIONE DELLA FINESTRA ESTERNA STREAMING AUDIO VIDEO

var streamWin;
var streamWinOpened = false;

function openStreamWindow(wurl, frameurl, wn, movName, strName, strWidth, strHeight, strDuration) {
	if (!streamWinOpened) {
		streamWinOpened = true;
		winOpts = "toolbar=0,location=0,resizable=1,status=1,menubar=1,width=600,height=400";
		winURL = wurl;
		winName = wn;
		window.movieName = movName;
		window.streamName = strName;
		window.streamWidth = strWidth;
		window.streamHeight = strHeight;
		window.streamDuration = strDuration;
		streamWin = window.open(winURL,winName,winOpts);
//		streamWin.focus();
	} else {
		if (streamWin.imgOpened == null) {
			streamWinOpened = true;
			winOpts = "toolbar=0,location=0,resizable=1,status=1,menubar=1";
			winURL = wurl;
			winName = wn;
			window.movieName = movName;
			window.streamName = strName;
			window.streamWidth = strWidth;
			window.streamHeight = strHeight;
			window.streamDuration = strDuration;
			streamWin = window.open(winURL,winName,winOpts);
//			streamWin.focus();
		} else {
			streamWin.setMovie(movName);
			streamWin.setStreamAV(strName);
			streamWin.setStreamAVDim(strWidth, strHeight);
			streamWin.setStreamAVDuration(strDuration);
			streamWin.updateStreamAVData(frameurl);
			streamWin.loadStreamAV(streamWin.getMovie(), streamWin.getStreamAV());
			streamWin.focus();
			streamWin.frames['stream'].history.go(0);
		}
	}
	
//	alert(streamWin.streamName + "  sw = " + streamWin.streamWidth + "  sh = " + streamWin.streamHeight);
}

// GESTIONE DELLA FINESTRA ESTERNA GLOSSARY

var glossaWin;
var glossaWinOpened = false;
var glossaURL = "";

function openGlossaWindow(wurl, wn) {
//	alert("glossaWinOpened = " + glossaWinOpened);
	if (!glossaWinOpened) {
		glossaWinOpened = true;
		winOpts = "toolbar=0,location=1,resizable=1,scrollbars=1,status=1,menubar=1,width=512,height=384";
		winURL = wurl;
		winName = wn;
		glossaWin = window.open(winURL,winName,winOpts);
//		glossaWin.focus();
	} else {
//		alert("" + glossaWin.glossaOpened);
		if (propertyExist(glossaWin.glossaOpened) && (typeof(glossaWin.glossaOpened)=="boolean")) {
			if (glossaURL != wurl) {
//				alert(glossaURL + " " + wurl);
				glossaWin.location = wurl;
			}
			glossaWin.glossaOpened = true;
			glossaWin.focus();
		} else {
			glossaWinOpened = true;
			winOpts = "toolbar=0,location=1,resizable=1,scrollbars=1,status=1,menubar=1,width=512,height=384";
			winURL = wurl;
			winName = wn;
			glossaWin = window.open(winURL,winName,winOpts);
			glossaWin.focus();
		}
	}
/*
	} else {
		glossaWinOpened = true;
		winOpts = "toolbar=1,location=1,resizable=1,status=1,menubar=1";
		winURL = wurl;
		winName = wn;
		glossaWin = window.open(winURL,winName,winOpts);
		glossaWin.focus();
	}
*/
}

// GESTIONE DI TUTTE LE FINESTRE ESTERNE (VIEWER, STEREOVIEWER, STREAMING AUDIO VIDEO, GLOSSARY)

function winClosed(w) {
	if (w=="stereoimg") {
		stereoimgWinOpened = false;
	} else if (w=="stream") {
		streamWinOpened = false;
	} else if (w=="glossa") {
		glossaWinOpened = false;
	} else {
		imgWinOpened = false;
	}
}

function closeWindow(mother) {
	var win = typeof(imgWin);
	if (win == "object") {
		if (imgWin.imgOpened == null) {
			;
		} else {
			imgWin.close();
		}
	}
	
	win = typeof(stereoimgWin);
	if (win == "object") {
		if (stereoimgWin.stereoimgOpened == null) {
			;
		} else {
			stereoimgWin.close();
		}
	}
	
	win = typeof(streamWin);
	if (win == "object") {
		if (streamWin.streamOpened == null) {
			;
		} else {
			streamWin.close();
		}
	}
	
	win = typeof(glossaWin);
	if (win == "object") {
		if (glossaWin.glossaOpened == null) {
			;
		} else {
			glossaWin.close();
		}
	}
	
	if (mother == true) self.close();
}

var xw = "Apri una nuova finestra con il visore di immagini.";
var svxw = "Apri una nuova finestra con lo stereovisore di immagini (occhi paralleli).";
var svxxw = "Apri una nuova finestra con lo stereovisore di immagini (occhi incrociati).";
var savxw = "Apri una nuova finestra con la clip audio-video in streaming QuickTime.";
var gxw = "Apri una nuova finestra con la voce del glossario.";
var iw = 768;
var ih = 512;
var iw4 = 768;
var ih3 = 576;

/*
function showStatus(s) {
	parent.status = s;
}
*/

function getContentURL(fileName, relativePath) {
	var contentURL = "";
	
	if((typeof(relativePath) != "undefined") && (relativePath.length > 0)) {
		counter = 0;
		start = 0;
		tof = true;
		while(tof) {
			offset = relativePath.indexOf("../", start);
			if(offset == -1) {
				tof = false;
			} else {
				start += 3;
				counter++;
			}
		}
		relativePath = relativePath.substring(start, relativePath.length);
		
		var oldURL = document.location.toString();
		offset = oldURL.lastIndexOf("/");
		if(offset != -1) { // if "/" exists
			contentURL = oldURL.substring(0, offset);
			for(var i = 0; i < counter; i++) {
				offset = contentURL.lastIndexOf("/");
				if(offset != -1) {
					contentURL = contentURL.substring(0, offset);
				}
			}
			contentURL = contentURL + "/" + relativePath;
		}
	}
	
	contentURL += fileName;
//	alert(contentURL);
	return contentURL;
}

function propertyExist(objProp) {
	var testProp = "" + objProp;
	if(testProp == "undefined")
		return false;
	else
		return true;
}