var noe=1;
var elem,steps=0,counter,wieviel;
var inc=5,timer=5;				//inkrement und timer fuers scrollen
var act_picture;				//aktuell zu scrollendes bild
var flow; 	//layer der gescrollt wird
/*var timeout=10000;*/
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
var currentImage,ne,cur;
var previousImage;
var basis;
//var myArray=new Array("image2","image3","image4","image5","image6","image7","image8","image9");
var myArray=new Array("image2","image3","image4");
function slideshow() {
make_invisible();
if(!cur) cur=document.getElementById('image1');
setTimeout('blenden()',1000);
}

function blenden() {
if(noe<4) {
	  noe++;
	  if(ne)cur=ne;
	  ne=document.getElementById('image'+noe);
	  get_images(ne,cur);
	  //setTimeout('blenden()',4000);
	  }	
	  else { setTimeout('weiter()',1000); 
	  }
			}
			
			function weiter(){
			
			window.location='home.html';
			
				    }
			
			function fader(imageNumber,opacity) {
			/* helper function to deal specifically with images and the cross-browser differences in opacity handling */
			var obj=imageNumber;
			if (obj.style) {
			if (obj.style.MozOpacity!=null) {  
			/* Mozilla's pre-CSS3 proprietary rule */
			obj.style.MozOpacity = (opacity/100) - .001;
			
			} 
			else if (obj.style.opacity!=null) {
			/* CSS3 compatible */
			
			obj.style.opacity = (opacity/100) - .001;
			} 
			else if (obj.style.filter!=null) {
			/* IE's proprietary filter */
			
			obj.style.filter = "alpha(opacity="+opacity+")";
			}
			
			}
			}
			
			function crossfade(opacity) {
			if (opacity <= 100) {
				       /* current image not faded up fully yet...so increase its opacity */
				       fader(currentImage,opacity);
				       fader(previousImage,100-opacity);
				       opacity += 2;
				       window.setTimeout("crossfade("+opacity+")",2);
				       } else {
				       /* make the previous image - which is now covered by the current one fully - transparent */
				       fader(previousImage,0);
				       /* current image is now previous image, as we advance in the list of images */
				       //previousImage.style.display="none";
				       /* make sure the current image is on top of the previous one */
				       previousImage.style.zIndex = 0;
				       currentImage.style.zIndex = 100;
				       /* and start the crossfade after a second's pause */
				       opacity=0;
				       window.setTimeout('blenden()',200);
				       }
				       
		}
		
		function get_images (ne,cur) {
		/*if(previousImage) fader(previousImage,0);*/
		currentImage = ne;
		previousImage = cur;
		crossfade(0);
		}
		
		function make_invisible() {
		var i=0;
		while(document.getElementById(myArray[i]))
		{
		
		
		fader (document.getElementById(myArray[i]),0);
		document.getElementById(myArray[i]).style.display="block";
		//alert(document.getElementById(myArray[i]).src+" is invisible");
		i++;
		
		}
		
		}