//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 'location':	rPic[0]='location.jpg'; rPic[1]='location1.jpg'; rPic[2]='location2.jpg'; break;
		case 'lobby':   	rPic[0]='lobby.jpg'; rPic[1]='lobby1.jpg';rPic[2]='lobby2.jpg'; rPic[3]='lobby3.jpg'; break;
		case 'rooms':		rPic[0]='room.jpg'; rPic[1]='room1.jpg'; rPic[2]='room2.jpg'; rPic[3]='room3.jpg'; rPic[4]='room4.jpg';break;
		case 'suites':		rPic[0]='suites.jpg'; rPic[1]='suites1.jpg'; rPic[2]='suites2.jpg'; rPic[3]='suites3.jpg'; rPic[4]='suites4.jpg';break;
		case 'onyxbar':		rPic[0]='onyxbar.jpg'; rPic[1]='onyxbar1.jpg'; rPic[2]='onyxbar2.jpg'; break;
		case 'restaurant':	rPic[0]='restaurant.jpg'; rPic[1]='restaurant1.jpg'; rPic[2]='restaurant2.jpg'; break;
		case 'meeting':		rPic[0]='meeting.jpg'; rPic[1]='meeting1.jpg'; rPic[2]='meeting2.jpg'; rPic[3]='meeting3.jpg'; rPic[4]='meeting4.jpg'; break;
		case 'special':		rPic[0]='special.jpg'; rPic[1]='special1.jpg'; rPic[2]='special2.jpg'; rPic[3]='special3.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)
}