/* Mood slideshow-Funktionen
 *
 */
var objOldImage = null;
var objCurrentImage = null;
var intFadePics = null;
var intAutoFade = null;
var fadeValue = 0;
var fadeStep = 5;
var autoMoodFadeTime = 5000;
var currentPic = 0;

var intFadeOverlay = null;
var overlayFadeValue = 0;
 
startMoodSlideShow = function() {
	var obj = document.getElementById('divHomeMood2');
	obj.style.display = 'block';
	if(typeof obj.style.filter != 'undefined') obj.style.filter = 'alpha(opacity=0)';
	if(typeof obj.style.opacity != 'undefined') obj.style.opacity = 0;
	
	if(arrMoodPics.length > 0) {
		objCurrentImage = document.getElementById('divHomeMood');
		setOpacity(objCurrentImage,100)
	}
	
	// Start Autofade
	intAutoFade = setTimeout('autoMoodFade()',autoMoodFadeTime);
}

changeMoodPic = function(newPic) {
	currentPic = newPic;
	var newPicPath = arrMoodPics[newPic];
	
	if(objCurrentImage == document.getElementById('divHomeMood')) {	
		var temp = document.getElementById('divHomeMood2');
	} else {	
		var temp = document.getElementById('divHomeMood');
	}
	
	//if(temp && temp != objCurrentImage) {
		if(objOldImage) setOpacity(objOldImage,0);
		//alert(newPicPath);
		objOldImage = objCurrentImage;
		objCurrentImage = temp;
		temp.style.backgroundImage = 'url(../images/hp_images/'+newPicPath+')';
		//temp.style.backgroundImage = "url(/img/btnBg.gif)";
		fadeValue = 0;
		clearInterval(intFadePics);
		intFadePics = setInterval('fadeMoodPics()',5);
	//}
	
	clearTimeout(intAutoFade);
	intAutoFade = setTimeout('autoMoodFade()', autoMoodFadeTime);
}

fadeMoodPics = function() {
	fadeValue += fadeStep;
	
	setOpacity(objOldImage,100-fadeValue);
	setOpacity(objCurrentImage,fadeValue);
	
	if(fadeValue >= 100) {
		clearInterval(intFadePics);
	}
}

autoMoodFade = function() {
	//alert("moodfade");
	var newPic = currentPic + 1;
	if (newPic>=arrMoodPics.length) {
		newPic = 0;	
	}
	
	changeMoodPic(newPic);
}


showNewsOverlay = function() {
	//alert(document.getElementById('divHomeMood').style.width);
	clearInterval(intFadeOverlay);
	intFadeOverlay = setInterval('fadeNewsOverlay()',5);
	//document.getElementById('divHomeNewsOverlay').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='img/newsbox_bg.png', sizingMethod='scale')";
}

hideNewsOverlay = function() {
	clearInterval(intFadeOverlay);
	document.getElementById('divHomeNewsOverlay').style.visibility = 'hidden';
}

fadeNewsOverlay = function() {
	overlayFadeValue += fadeStep;
	
	setOpacity(document.getElementById('divHomeNewsOverlay'), overlayFadeValue);
	
	if(overlayFadeValue >= 85) {
		clearInterval(intFadeOverlay);
	}
}

/*
setOverlayOpacity = function(obj,value) {
	if(obj) {
		obj.style.display = 'block';
		
		if(typeof obj.style.filter != 'undefined') {
			obj.style.filter = 'alpha(opacity='+value+') progid:DXImageTransform.Microsoft.AlphaImageLoader(src="img/newsbox_bg.png", sizingMethod="scale")';
			obj.style.background = 'none';
		}
		if(typeof obj.style.opacity != 'undefined') obj.style.opacity = value/100;
	}
}
*/