XSAg = window.navigator.userAgent; XSBVers = parseInt(XSAg.charAt(XSAg.indexOf("/")+1),10);
XSAppName = window.navigator.appName;
function XSIsIE() { return XSAg.indexOf("MSIE") > 0;}
function XSIEStyl(s) { if (document.all.tags("div")[s] != null) return document.all.tags("div")[s].style; else return null;}
function XSNSStyl(s) { return XSFindElement(s,0); }
function XSFindElement(n,ly) { if (XSBVers < 4) return document[n];
    var curDoc = ly ? ly.document : document; var elem = curDoc[n];
    if (!elem) { for (var i=0;i<curDoc.layers.length;i++) {
        elem = XSFindElement(n,curDoc.layers[i]); if (elem) return elem; }}
    return elem;
}

XSIm = new Object();

function XSClickReturn () {
	var bAgent = window.navigator.userAgent; 
	var bAppName = window.navigator.appName;
	if ((bAppName.indexOf("Explorer") >= 0) && (bAgent.indexOf("Mozilla/3") >= 0) && (bAgent.indexOf("Mac") >= 0))
		return true; 
	else return false; 
}


function XSPreloadImage(name, index, url) {
    if (document.images) {
        if (XSIm[name] == null)
            XSIm[name] = new Object();
        XSIm[name][index] = new Image(); 
        XSIm[name][index].src = url; 

    }
}


function XSSwitchButton(name, index, status) {
    if (document.images) {
        if (XSIm[name]) {
            var img = (!XSIsIE()) ? XSFindElement(name,0) : document[name];
            if (img && typeof(XSIm[name][index].src) != "undefined")  {
                img.src = XSIm[name][index].src;
            }
            self.status = status;
            return true;
        }
    }
    return false;
}

function XSPopupURLGoto(popup) {
	location = popup.options[popup.selectedIndex].value;
}

function XSGotoLink(frame, url) {

    if (frame != "null") {
        var hasFrame=false;
		for(i=0;i<parent.frames.length;i++) {
			if (parent.frames[i].name==frame) {
     	  		hasFrame=true; 
     	  		break;
        	}
     	}
     	if (hasFrame==true) {
     		parent.frames[frame].location = url;
     	}
     	else {
        	parent.location = url;
		}
    }
    else 
    	location = url;
}

function XSOpenWindow(url, windowname, width, height, resizable, scrollbars, menubar, toolbar, directories, location, status) {
 	var wf = "";	
	wf = wf + "width=" + width;
	wf = wf + ",height=" + height;
	wf = wf + ",resizable=" + (resizable ? "yes" : "no");
	wf = wf + ",scrollbars=" + (scrollbars ? "yes" : "no");
	wf = wf + ",menubar=" + (menubar ? "yes" : "no");
	wf = wf + ",toolbar=" + (toolbar ? "yes" : "no");
	wf = wf + ",directories=" + (directories ? "yes" : "no");
	wf = wf + ",location=" + (location ? "yes" : "no");
	wf = wf + ",status=" + (status ? "yes" : "no");		
	window.open(url,windowname,wf);
}

function XSCloseWindow() { 
if (self.parent.frames.length != 0) {
	self.parent.close()	
	} else {
	window.close()
	}
}

function XSURLPopupLocationChange(popup, target) {
	window.open(popup.options[popup.selectedIndex].value, target);
}


function XSStatelessImageSlideShowFadeInOut(slideShowName, timeStanding, timeFading) {

	this._slideShowName = slideShowName;
	this._ulThumbsElement = document.getElementById(this._slideShowName+"Thumbs");
	this._imageDivElement = document.getElementById(this._slideShowName+"Image");
	this._liElementArray = this._ulThumbsElement.getElementsByTagName('li');
	this._timeoutStanding = timeStanding;
	this._timeoutFading = timeFading;
	this._imageIndex = 0;
	this._imageCount = this._liElementArray.length;
	
	this.init();
	var thisObj = this;
	this.interval = setInterval(function() { thisObj.run(); }, this._timeoutStanding);
}


XSStatelessImageSlideShowFadeInOut.prototype.init = function() {
	x=0;	
	for (x=0;x<this._liElementArray.length;x++) {
		var img = this.getImg(x);
		if (x==0) {
			img.style.visibility = "visible";
			this.changeOpacity(100, img.id);
		}
		else {
			this.changeOpacity(0, img.id);
		}
	}
}

XSStatelessImageSlideShowFadeInOut.prototype.run = function() {
	var _nextIndex = (this._imageIndex+1) % this._imageCount;
	var imgElement = this.getImg(_nextIndex); 
	if (!imgElement.complete)
		return;
	
	var oldImgElement = this.getImg(this._imageIndex); 
	oldImgElement.style.visibility = "visible";
	imgElement.style.visibility = "visible";

	this.fadeOut(oldImgElement);
	this.fadeIn(imgElement);
	
	this._imageIndex = _nextIndex;
}

XSStatelessImageSlideShowFadeInOut.prototype.fadeOut = function(img) {
	this.fadeOpacity(img, 100, 0, this._timeoutFading);
}

XSStatelessImageSlideShowFadeInOut.prototype.fadeIn = function(img) {
	this.fadeOpacity(img, 0, 100, this._timeoutFading);
}

XSStatelessImageSlideShowFadeInOut.prototype.getImg = function(index) {
	var imgID = this._slideShowName+"Image"+index;
	var imgElement = document.getElementById(imgID);
	if (!imgElement) {
		imgElement=document.createElement('img');
		imgElement.id = imgID;
		this._imageDivElement.appendChild(imgElement);
		var liImg = this._liElementArray[index].childNodes[0];
		imgElement.style.visibility = "hidden";
		imgElement.src = liImg.src;
		
	}
	return imgElement;
}
	
XSStatelessImageSlideShowFadeInOut.prototype.fadeOpacity = function(elem, opacStart, opacEnd, sec) {
	var speed = Math.round(sec / 100); 
	var timer = 0; 
	if(opacStart > opacEnd) { 
		var thisObj = this;
		for(i = opacStart; i >= opacEnd; i--) { 
			setTimeout(this._slideShowName+".changeOpacity("+i+", '"+elem.id+"')", (timer * speed));
			timer++; 
		} 
	} 
	else if(opacStart < opacEnd) { 
		for(i = opacStart; i <= opacEnd; i++) { 
			setTimeout(this._slideShowName+".changeOpacity("+i+", '"+elem.id+"')", (timer * speed));
			timer++; 
		 }
	} 
} 


XSStatelessImageSlideShowFadeInOut.prototype.changeOpacity = function(opacity, id) { 
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100); 
	object.MozOpacity = (opacity / 100); 
	object.KhtmlOpacity = (opacity / 100); 
	object.filter = "alpha(opacity=" + opacity + ")";
}