//smooth transition slideshow with randomizer
//ver 2.0, (c) Christina Kössler
//allgemeine einstellungen:
var rSlideShowSpeed = 4000;
var rCrossFadeDuration = 1;

// so lassen
var zuf = true;
var rPic = new Array()
var rRandom = new Array();
var rImages = new Array();
var rPreLoad = new Array();
var rNum, rT, rJ = 0;
var i,y,z;
var duplicate=false;
var cat = "";

function init(category) {
	init(category, false);
}

function init(category, zufall) {
	zuf = zufall;
	cat = category;
	switch (category) {
		case 'start':		rPic[0]='start.jpg'; rPic[1]='start1.jpg'; rPic[2]='start2.jpg'; break;
		case 'casinowien':	rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
		case 'griensteidl':	rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
		case 'albertina':	rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
		case 'casino':	    rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
		case 'platinum':	rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
		case 'restaurant':	rPic[0]='restaurant.jpg'; rPic[1]='restaurant1.jpg'; rPic[2]='restaurant2.jpg'; break;
        case 'demel':	    rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
        case 'demel_s':	    rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
		case 'demel_ny':	rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
        case 'hummerbar':	rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
		case 'bm':	        rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; break;
		case 'munich':	    rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; rPic[3]='4.jpg'; rPic[4]='5.jpg'; break;	
		case 'munich1':	    rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; rPic[3]='4.jpg'; rPic[4]='5.jpg'; rPic[5]='6.jpg'; rPic[6]='7.jpg'; rPic[7]='8.jpg'; break;	
		case 'munich2':	    rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; rPic[3]='4.jpg'; break;	
		case 'munich3':	    rPic[0]='1.jpg'; rPic[1]='2.jpg'; rPic[2]='3.jpg'; rPic[3]='4.jpg'; rPic[4]='5.jpg'; rPic[5]='6.jpg'; break;	

	}
	rNum = rPic.length;
	randomize();
	for (i = 0; i < rImages.length; i++){
	   rPreLoad[i] = new Image()
	   rPreLoad[i].src = rImages[i]
	}
	document.write("<img src='images/" + rImages[0] + "' width='452' height='339' name='rSlide'>");
}

function randomize(){
	z=0;
	while (z!=(rNum)){
		y=Math.floor(Math.random()*(rNum));
		for(i=0;i<rRandom.length;i++){	if (y==rRandom[i]){	duplicate=true;	}
	}
	if (duplicate==true){ duplicate=false;	continue; }
	else
		if (duplicate==false){	rRandom[z] = y;	z+=1;	}
	}
	if(zuf) { 
		for(i=0; i<rRandom.length; i++) { rImages[i] = "images/" + cat + "/"  + rPic[rRandom[i]]; }	//hier korrekten pfad zu unterverzeichnis der slideshow eintragen
	}
	else {
		for(i=0; i<rPic.length; i++) { rImages[i] = "images/" + cat + "/"  + rPic[i]; }	//hier	
	}
}

function runRandomSlideShow(){
   if (document.all){
      document.images.rSlide.style.filter='blendTrans(duration='+rCrossFadeDuration+')'
      document.images.rSlide.filters.blendTrans.Apply()      
   }
   document.images.rSlide.src = rPreLoad[rJ].src
   if (document.all){
      document.images.rSlide.filters.blendTrans.Play()
   }
   rJ = rJ + 1
   if (rJ > (rImages.length-1)) rJ=0
   rT = setTimeout('runRandomSlideShow()', rSlideShowSpeed)
}