var def_imges = new Array ('images/f_42358.jpg','images/f_42358_1.jpg','images/f_42358_2.jpg','images/f_42358_3.jpg','images/f_42358_4.jpg');

var def_divid         = "cid_42358_10000"; //the id of the div container that will hold the slideshow
var def_img_width_id  = 1000; //set this to the width of your widest pic
var def_img_height_id = 340; //... and this to the height of your highest pic
var def_backgr        = "#FFFFFF"; //set this to the background color you want to use for the slide-area (for example the body-background-color) if your pics are of different size
var def_sdur          = 5; //time to show a pic between fades in seconds
var def_fdur          = 2; //duration of the complete fade in seconds
var def_steps         = 150; //steps to fade from on pic to the next
var def_autostart     = "y"; //start automatically at pageload? set it to "y" for on and to "n" for off
var def_shuffle       = "y"; //start with random image? set it to "y" for on and to "n" for off




//daisychain onload-events
function daisychain(sl)
{
  if(window.onload)
  {
    var ld=window.onload;
    window.onload=function(){ld();sl();
  };
}
else
{
  window.onload=function(){sl();};}
}

function slideshow(var_slideid,
                   var_images,
                   var_divid,
                   var_picwidth,
                   var_picheight,
                   var_backgr,
                   var_sduration,
                   var_fduration,
                   var_steps,
                   var_autostart,
                   var_shuffle)
{

//declarations and defaults
	var slideid=(var_slideid)?var_slideid:"0";
	var imges=(var_images)?var_images:def_imges;
	var divid=(var_divid)?var_divid:def_divid;
	var picwid=(var_picwidth)?var_picwidth:def_img_width_id;
	var pichei=(var_picheight)?var_picheight:def_img_height_id;
	var backgr=(var_backgr)?var_backgr:def_backgr;
	var sdur=(var_sduration)?var_sduration:def_sdur;
	var fdur=(var_fduration)?var_fduration:def_fdur;
	var steps=(var_steps)?var_steps:def_steps;
	var autostart=(var_autostart)?var_autostart:def_autostart;
			autostart=(autostart.toLowerCase()=="y")?1:0;
	var shuffle=(var_shuffle)?var_shuffle:def_shuffle;
			shuffle=(shuffle.toLowerCase()=="y")?1:0;


	var ftim=fdur*1000/steps;
	var stim=sdur*1000;
	var emax=imges.length;
	var self = this;
	var stopit=1;
	var startim=1;
	var u=0;
	var parr = new Array();
	var ptofade,pnext,factor,mytimeout;
//check if there are at least 3 pictures, elswhere double the Array
	if(imges.length<=2){imges=imges.concat(imges);}
//shuffle images if set
  if(shuffle){var i;for(i=0;i<=Math.floor(Math.random()*imges.length);i++){imges.push(imges.shift());}}

//push images into Array and get things going
	this.b_myfade = function(){
		var a,idakt,paktidakt,ie5exep;
		for(a=1;a<=emax;a++){
			idakt="img_"+slideid+"_"+a;paktidakt=document.getElementById(idakt);
    	ie5exep=new Array(paktidakt);parr=parr.concat(ie5exep);
    }
		if(autostart){
			stopit=0;
 			mytimeout=setTimeout(function(){self.b_slide();},stim);
 		}
	}

//prepare current and next and trigger slide
	this.b_slide = function(){
		clearTimeout(mytimeout);
		u=0;
		ptofade=parr[startim-1];
		if(startim<emax){pnext=parr[startim];}
		else{pnext=parr[0];}
		pnext.style.zIndex=1;
		pnext.style.visibility="visible";
		pnext.style.filter="Alpha(Opacity=100)";
		try{pnext.style.removeAttribute("filter");} catch(err){}
		pnext.style.MozOpacity=1;
		pnext.style.opacity=1;
		ptofade.style.zIndex=2;
		ptofade.style.visibility="visible";
		ptofade.style.filter="Alpha(Opacity=100)";
		ptofade.style.MozOpacity=1;
		ptofade.style.opacity=1;
		factor=100/steps;
		if(stopit=="0"){
			this.b_slidenow();
		}
	}

//one step forward
	this.b_forw = function(){
		stopit=1;
		clearTimeout(mytimeout);
		ptofade=parr[startim-1];
		if(startim<emax){pnext=parr[startim];startim=startim+1;}
		else{pnext=parr[0];startim=1;}
		ptofade.style.visibility="hidden";
		ptofade.style.zIndex=1;
		pnext.style.visibility="visible";
		pnext.style.zIndex=2;
		self.b_slide();
	}

//one step back
	this.b_back = function(){
		stopit=1;
		clearTimeout(mytimeout);
		if(u==0){ //between two slides
			ptofade=parr[startim-1];
			if(startim<emax){pnext=parr[startim];}
			else{pnext=parr[0];}
			pnext.style.visibility="hidden";
			ptofade.style.zIndex=1;
			ptofade.style.visibility="visible";
			if(startim>=2){startim=startim-1;}
			else{startim=emax;}
			self.b_slide();
		}
		else{ //whilst sliding
			self.b_slide();
		}
	}

//slide as said, then give back
	this.b_slidenow = function(){
		var check1,maxalpha,curralpha;
		check1=ptofade.style.MozOpacity;
		maxalpha=(100-factor*u)/100*105;
		if(check1<=maxalpha/100){u=u+1;}
		curralpha=100-factor*u;
		ptofade.style.filter="Alpha(Opacity="+curralpha+")";
		ptofade.style.MozOpacity=curralpha/100;
		ptofade.style.opacity=curralpha/100;
		if(u<steps){ //slide not finished
			if(stopit=="0"){mytimeout=setTimeout(function(){self.b_slidenow();},ftim);}
			else {this.b_slide();}
		}
		else{ //slide finished
			if(startim<emax){
				ptofade.style.visibility="hidden";
				ptofade.style.zIndex=1;
				pnext.style.zIndex=2;
				startim=startim+1;u=0;
				mytimeout=setTimeout(function(){self.b_slide();},stim);
			}
			else{
				ptofade.style.visibility="hidden";
				ptofade.style.zIndex=1;
				pnext.style.zIndex=2;
				startim=1;u=0;
				mytimeout=setTimeout(function(){self.b_slide();},stim);
			}
		}
	}

//manual start
	this.b_start= function(){
		if(stopit==1){
 			stopit=0;
 			mytimeout=setTimeout(function(){self.b_slide();},stim);
 		}
	}

//manual stop
	this.b_stop= function(){
		clearTimeout(mytimeout);
		stopit=1;
		this.b_slide();
	}

//insert css and images
	this.b_insert= function(){
		var b, thestylid, thez, thevis, slidehei;
		//slidehei=(showcontr)?(pichei+25):(pichei); //add space for the controls
		var myhtml="<div style='width:"+picwid+"px;height:"+slidehei+"px;'>";
   			myhtml+="<div style='position:absolute;width:"+picwid+"px;height:"+pichei+"px;'>";
		for(b=1;b<=emax;b++){
			thez=1;thevis='hidden';
			if(b<=1) {thez=2; thevis='visible';}
			  myhtml+="<div id='img_"+slideid+"_"+b+"' style='font-size:0;line-height:"+pichei+"px;margin:0;padding:0;text-align:center;visibility:"+thevis+";z-index:"+thez+";position:absolute;left:0;top:0;width:"+picwid+"px;height:"+pichei+"px;background-color:"+backgr+";'>";
				myhtml+="<img src='"+imges[(b-1)]+"' style='vertical-align:middle;border:0;' alt=''/></div>";
		}
   			myhtml+="</div>";
		document.getElementById(divid).innerHTML=myhtml;
		self.b_myfade();
	}

//call autostart-function
daisychain(this.b_insert);

}

var isc = new slideshow();